Finding the Fourth Proportional to 2,447,711.87, 3,377,766.22 and 1,345,140.68
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Solution
The fourth proportional to 2,447,711.87, 3,377,766.22 and 1,345,140.68 is: 1,856,252.28
Step by Step Solution
- Step 1: Write the proportion equation
2,447,711.87 : 3,377,766.22 = 1,345,140.68 : x - Step 2: Convert to fraction form
2,447,711.87/3,377,766.22 = 1,345,140.68/x - Step 3: Cross multiply
2,447,711.87x = 3,377,766.22 × 1,345,140.68 - Step 4: Simplify right side
2,447,711.87x = 4,543,570,729,800.15 - Step 5: Solve for x
x = 4,543,570,729,800.15/2,447,711.87 - Step 6: Final answer
x = 1,856,252.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.