Finding the Fourth Proportional to 7,489,661.52, 11,235,132.63 and 2,631,545.76
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Solution
The fourth proportional to 7,489,661.52, 11,235,132.63 and 2,631,545.76 is: 3,947,543.63
Step by Step Solution
- Step 1: Write the proportion equation
7,489,661.52 : 11,235,132.63 = 2,631,545.76 : x - Step 2: Convert to fraction form
7,489,661.52/11,235,132.63 = 2,631,545.76/x - Step 3: Cross multiply
7,489,661.52x = 11,235,132.63 × 2,631,545.76 - Step 4: Simplify right side
7,489,661.52x = 29,565,765,635,514.15 - Step 5: Solve for x
x = 29,565,765,635,514.15/7,489,661.52 - Step 6: Final answer
x = 3,947,543.63
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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.