Finding the Fourth Proportional to 4,332,579.20, 5,979,146.16 and 2,398,839.92
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Solution
The fourth proportional to 4,332,579.20, 5,979,146.16 and 2,398,839.92 is: 3,310,502.55
Step by Step Solution
- Step 1: Write the proportion equation
4,332,579.20 : 5,979,146.16 = 2,398,839.92 : x - Step 2: Convert to fraction form
4,332,579.20/5,979,146.16 = 2,398,839.92/x - Step 3: Cross multiply
4,332,579.20x = 5,979,146.16 × 2,398,839.92 - Step 4: Simplify right side
4,332,579.20x = 14,343,014,496,122.71 - Step 5: Solve for x
x = 14,343,014,496,122.71/4,332,579.20 - Step 6: Final answer
x = 3,310,502.55
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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.