Finding the Fourth Proportional to 3,431,689.12, 5,147,404.24 and 1,035,469.84
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Solution
The fourth proportional to 3,431,689.12, 5,147,404.24 and 1,035,469.84 is: 1,553,165.70
Step by Step Solution
- Step 1: Write the proportion equation
3,431,689.12 : 5,147,404.24 = 1,035,469.84 : x - Step 2: Convert to fraction form
3,431,689.12/5,147,404.24 = 1,035,469.84/x - Step 3: Cross multiply
3,431,689.12x = 5,147,404.24 × 1,035,469.84 - Step 4: Simplify right side
3,431,689.12x = 5,329,981,844,808.12 - Step 5: Solve for x
x = 5,329,981,844,808.12/3,431,689.12 - Step 6: Final answer
x = 1,553,165.70
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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.