If the ratio of a ∶ b = 1 ∶ 3, b ∶ c = 2 ∶ 5 and c ∶ d = 2 ∶ 3, then find the value of a ∶ b ∶ c ∶ d.

1
5 ∶ 10 ∶ 15 ∶ 40
2
3 ∶ 9 ∶ 12 ∶ 30
3
4 ∶ 12 ∶ 30 ∶ 45
4
4 ∶ 8 ∶ 12 ∶ 20

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