Finding the Fourth Proportional to 2,521,755.20, 3,782,632.80 and 2,484,430.40
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Solution
The fourth proportional to 2,521,755.20, 3,782,632.80 and 2,484,430.40 is: 3,726,645.60
Step by Step Solution
- Step 1: Write the proportion equation
2,521,755.20 : 3,782,632.80 = 2,484,430.40 : x - Step 2: Convert to fraction form
2,521,755.20/3,782,632.80 = 2,484,430.40/x - Step 3: Cross multiply
2,521,755.20x = 3,782,632.80 × 2,484,430.40 - Step 4: Simplify right side
2,521,755.20x = 9,397,687,920,357.12 - Step 5: Solve for x
x = 9,397,687,920,357.12/2,521,755.20 - Step 6: Final answer
x = 3,726,645.60
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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.