Finding the Fourth Proportional to 4,847,442.43, 6,689,468.92 and 2,672,021.92
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Solution
The fourth proportional to 4,847,442.43, 6,689,468.92 and 2,672,021.92 is: 3,687,389.35
Step by Step Solution
- Step 1: Write the proportion equation
4,847,442.43 : 6,689,468.92 = 2,672,021.92 : x - Step 2: Convert to fraction form
4,847,442.43/6,689,468.92 = 2,672,021.92/x - Step 3: Cross multiply
4,847,442.43x = 6,689,468.92 × 2,672,021.92 - Step 4: Simplify right side
4,847,442.43x = 17,874,407,587,398.73 - Step 5: Solve for x
x = 17,874,407,587,398.73/4,847,442.43 - Step 6: Final answer
x = 3,687,389.35
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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.