Finding the Fourth Proportional to 3,240,502.88, 4,471,872.72 and 1,790,291.84
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Solution
The fourth proportional to 3,240,502.88, 4,471,872.72 and 1,790,291.84 is: 2,470,591.00
Step by Step Solution
- Step 1: Write the proportion equation
3,240,502.88 : 4,471,872.72 = 1,790,291.84 : x - Step 2: Convert to fraction form
3,240,502.88/4,471,872.72 = 1,790,291.84/x - Step 3: Cross multiply
3,240,502.88x = 4,471,872.72 × 1,790,291.84 - Step 4: Simplify right side
3,240,502.88x = 8,005,957,240,134.61 - Step 5: Solve for x
x = 8,005,957,240,134.61/3,240,502.88 - Step 6: Final answer
x = 2,470,591.00
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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.