Finding the Fourth Proportional to 2,079,721.70, 3,120,748.95 and 881,440.10
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Solution
The fourth proportional to 2,079,721.70, 3,120,748.95 and 881,440.10 is: 1,322,654.50
Step by Step Solution
- Step 1: Write the proportion equation
2,079,721.70 : 3,120,748.95 = 881,440.10 : x - Step 2: Convert to fraction form
2,079,721.70/3,120,748.95 = 881,440.10/x - Step 3: Cross multiply
2,079,721.70x = 3,120,748.95 × 881,440.10 - Step 4: Simplify right side
2,079,721.70x = 2,750,753,266,562.90 - Step 5: Solve for x
x = 2,750,753,266,562.90/2,079,721.70 - Step 6: Final answer
x = 1,322,654.50
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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.