Finding the Fourth Proportional to 3,489,456.99, 5,229,397.05 and 2,207,770.03
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Solution
The fourth proportional to 3,489,456.99, 5,229,397.05 and 2,207,770.03 is: 3,308,625.42
Step by Step Solution
- Step 1: Write the proportion equation
3,489,456.99 : 5,229,397.05 = 2,207,770.03 : x - Step 2: Convert to fraction form
3,489,456.99/5,229,397.05 = 2,207,770.03/x - Step 3: Cross multiply
3,489,456.99x = 5,229,397.05 × 2,207,770.03 - Step 4: Simplify right side
3,489,456.99x = 11,545,306,084,138.40 - Step 5: Solve for x
x = 11,545,306,084,138.40/3,489,456.99 - Step 6: Final answer
x = 3,308,625.42
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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.