Finding the Fourth Proportional to 5,391,665.10, 8,084,545.20 and 2,193,177.60
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Solution
The fourth proportional to 5,391,665.10, 8,084,545.20 and 2,193,177.60 is: 3,288,565.43
Step by Step Solution
- Step 1: Write the proportion equation
5,391,665.10 : 8,084,545.20 = 2,193,177.60 : x - Step 2: Convert to fraction form
5,391,665.10/8,084,545.20 = 2,193,177.60/x - Step 3: Cross multiply
5,391,665.10x = 8,084,545.20 × 2,193,177.60 - Step 4: Simplify right side
5,391,665.10x = 17,730,843,438,827.52 - Step 5: Solve for x
x = 17,730,843,438,827.52/5,391,665.10 - Step 6: Final answer
x = 3,288,565.43
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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.