Finding the Fourth Proportional to 1,441,251.18, 2,161,965.92 and 481,793.12
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Solution
The fourth proportional to 1,441,251.18, 2,161,965.92 and 481,793.12 is: 722,719.47
Step by Step Solution
- Step 1: Write the proportion equation
1,441,251.18 : 2,161,965.92 = 481,793.12 : x - Step 2: Convert to fraction form
1,441,251.18/2,161,965.92 = 481,793.12/x - Step 3: Cross multiply
1,441,251.18x = 2,161,965.92 × 481,793.12 - Step 4: Simplify right side
1,441,251.18x = 1,041,620,292,711.68 - Step 5: Solve for x
x = 1,041,620,292,711.68/1,441,251.18 - Step 6: Final answer
x = 722,719.47
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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.