Finding the Fourth Proportional to 1,356,565.50, 1,872,067.68 and 847,563.12
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Solution
The fourth proportional to 1,356,565.50, 1,872,067.68 and 847,563.12 is: 1,169,641.66
Step by Step Solution
- Step 1: Write the proportion equation
1,356,565.50 : 1,872,067.68 = 847,563.12 : x - Step 2: Convert to fraction form
1,356,565.50/1,872,067.68 = 847,563.12/x - Step 3: Cross multiply
1,356,565.50x = 1,872,067.68 × 847,563.12 - Step 4: Simplify right side
1,356,565.50x = 1,586,695,523,711.96 - Step 5: Solve for x
x = 1,586,695,523,711.96/1,356,565.50 - Step 6: Final answer
x = 1,169,641.66
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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.