Finding the Fourth Proportional to 5,753,909.17, 7,940,282.10 and 3,140,431.99
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Solution
The fourth proportional to 5,753,909.17, 7,940,282.10 and 3,140,431.99 is: 4,333,734.71
Step by Step Solution
- Step 1: Write the proportion equation
5,753,909.17 : 7,940,282.10 = 3,140,431.99 : x - Step 2: Convert to fraction form
5,753,909.17/7,940,282.10 = 3,140,431.99/x - Step 3: Cross multiply
5,753,909.17x = 7,940,282.10 × 3,140,431.99 - Step 4: Simplify right side
5,753,909.17x = 24,935,915,916,464.38 - Step 5: Solve for x
x = 24,935,915,916,464.38/5,753,909.17 - Step 6: Final answer
x = 4,333,734.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.