Finding the Fourth Proportional to 5,092,104.72, 7,641,805.32 and 1,853,635.62
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Solution
The fourth proportional to 5,092,104.72, 7,641,805.32 and 1,853,635.62 is: 2,781,781.47
Step by Step Solution
- Step 1: Write the proportion equation
5,092,104.72 : 7,641,805.32 = 1,853,635.62 : x - Step 2: Convert to fraction form
5,092,104.72/7,641,805.32 = 1,853,635.62/x - Step 3: Cross multiply
5,092,104.72x = 7,641,805.32 × 1,853,635.62 - Step 4: Simplify right side
5,092,104.72x = 14,165,122,542,257.50 - Step 5: Solve for x
x = 14,165,122,542,257.50/5,092,104.72 - Step 6: Final answer
x = 2,781,781.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.