Finding the Fourth Proportional to 1,377,966.22, 2,066,815.67 and 418,430.14
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Solution
The fourth proportional to 1,377,966.22, 2,066,815.67 and 418,430.14 is: 627,604.62
Step by Step Solution
- Step 1: Write the proportion equation
1,377,966.22 : 2,066,815.67 = 418,430.14 : x - Step 2: Convert to fraction form
1,377,966.22/2,066,815.67 = 418,430.14/x - Step 3: Cross multiply
1,377,966.22x = 2,066,815.67 × 418,430.14 - Step 4: Simplify right side
1,377,966.22x = 864,817,970,152.29 - Step 5: Solve for x
x = 864,817,970,152.29/1,377,966.22 - Step 6: Final answer
x = 627,604.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.