Finding the Fourth Proportional to 2,092,354.40, 2,887,447.58 and 1,174,585.31
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Solution
The fourth proportional to 2,092,354.40, 2,887,447.58 and 1,174,585.31 is: 1,620,926.90
Step by Step Solution
- Step 1: Write the proportion equation
2,092,354.40 : 2,887,447.58 = 1,174,585.31 : x - Step 2: Convert to fraction form
2,092,354.40/2,887,447.58 = 1,174,585.31/x - Step 3: Cross multiply
2,092,354.40x = 2,887,447.58 × 1,174,585.31 - Step 4: Simplify right side
2,092,354.40x = 3,391,553,521,018.13 - Step 5: Solve for x
x = 3,391,553,521,018.13/2,092,354.40 - Step 6: Final answer
x = 1,620,926.90
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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.