Finding the Fourth Proportional to 4,332,561.17, 5,979,121.23 and 2,398,821.71
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Solution
The fourth proportional to 4,332,561.17, 5,979,121.23 and 2,398,821.71 is: 3,310,477.39
Step by Step Solution
- Step 1: Write the proportion equation
4,332,561.17 : 5,979,121.23 = 2,398,821.71 : x - Step 2: Convert to fraction form
4,332,561.17/5,979,121.23 = 2,398,821.71/x - Step 3: Cross multiply
4,332,561.17x = 5,979,121.23 × 2,398,821.71 - Step 4: Simplify right side
4,332,561.17x = 14,342,845,783,350.30 - Step 5: Solve for x
x = 14,342,845,783,350.30/4,332,561.17 - Step 6: Final answer
x = 3,310,477.39
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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.