Finding the Fourth Proportional to 2,659,807.70, 3,989,711.55 and 2,029,951.70
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Solution
The fourth proportional to 2,659,807.70, 3,989,711.55 and 2,029,951.70 is: 3,044,927.55
Step by Step Solution
- Step 1: Write the proportion equation
2,659,807.70 : 3,989,711.55 = 2,029,951.70 : x - Step 2: Convert to fraction form
2,659,807.70/3,989,711.55 = 2,029,951.70/x - Step 3: Cross multiply
2,659,807.70x = 3,989,711.55 × 2,029,951.70 - Step 4: Simplify right side
2,659,807.70x = 8,098,921,743,432.14 - Step 5: Solve for x
x = 8,098,921,743,432.14/2,659,807.70 - Step 6: Final answer
x = 3,044,927.55
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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.