Finding the Fourth Proportional to 2,940,472.80, 4,402,414.80 and 2,857,528.80
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Solution
The fourth proportional to 2,940,472.80, 4,402,414.80 and 2,857,528.80 is: 4,278,232.77
Step by Step Solution
- Step 1: Write the proportion equation
2,940,472.80 : 4,402,414.80 = 2,857,528.80 : x - Step 2: Convert to fraction form
2,940,472.80/4,402,414.80 = 2,857,528.80/x - Step 3: Cross multiply
2,940,472.80x = 4,402,414.80 × 2,857,528.80 - Step 4: Simplify right side
2,940,472.80x = 12,580,027,080,546.24 - Step 5: Solve for x
x = 12,580,027,080,546.24/2,940,472.80 - Step 6: Final answer
x = 4,278,232.77
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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.