Finding the Fourth Proportional to 2,267,494.20, 3,129,141.78 and 1,248,898.95
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Solution
The fourth proportional to 2,267,494.20, 3,129,141.78 and 1,248,898.95 is: 1,723,480.43
Step by Step Solution
- Step 1: Write the proportion equation
2,267,494.20 : 3,129,141.78 = 1,248,898.95 : x - Step 2: Convert to fraction form
2,267,494.20/3,129,141.78 = 1,248,898.95/x - Step 3: Cross multiply
2,267,494.20x = 3,129,141.78 × 1,248,898.95 - Step 4: Simplify right side
2,267,494.20x = 3,907,981,883,443.13 - Step 5: Solve for x
x = 3,907,981,883,443.13/2,267,494.20 - Step 6: Final answer
x = 1,723,480.43
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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.