Finding the Fourth Proportional to 4,332,414.51, 5,979,133.22 and 2,398,675.12
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Solution
The fourth proportional to 4,332,414.51, 5,979,133.22 and 2,398,675.12 is: 3,310,393.78
Step by Step Solution
- Step 1: Write the proportion equation
4,332,414.51 : 5,979,133.22 = 2,398,675.12 : x - Step 2: Convert to fraction form
4,332,414.51/5,979,133.22 = 2,398,675.12/x - Step 3: Cross multiply
4,332,414.51x = 5,979,133.22 × 2,398,675.12 - Step 4: Simplify right side
4,332,414.51x = 14,341,998,067,038.28 - Step 5: Solve for x
x = 14,341,998,067,038.28/4,332,414.51 - Step 6: Final answer
x = 3,310,393.78
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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.