Finding the Fourth Proportional to 4,332,387.71, 5,979,096.09 and 2,398,648.28
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Solution
The fourth proportional to 4,332,387.71, 5,979,096.09 and 2,398,648.28 is: 3,310,356.67
Step by Step Solution
- Step 1: Write the proportion equation
4,332,387.71 : 5,979,096.09 = 2,398,648.28 : x - Step 2: Convert to fraction form
4,332,387.71/5,979,096.09 = 2,398,648.28/x - Step 3: Cross multiply
4,332,387.71x = 5,979,096.09 × 2,398,648.28 - Step 4: Simplify right side
4,332,387.71x = 14,341,748,552,233.22 - Step 5: Solve for x
x = 14,341,748,552,233.22/4,332,387.71 - Step 6: Final answer
x = 3,310,356.67
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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.