Finding the Fourth Proportional to 3,676,939.92, 5,516,295.21 and 1,152,595.17
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Solution
The fourth proportional to 3,676,939.92, 5,516,295.21 and 1,152,595.17 is: 1,729,170.28
Step by Step Solution
- Step 1: Write the proportion equation
3,676,939.92 : 5,516,295.21 = 1,152,595.17 : x - Step 2: Convert to fraction form
3,676,939.92/5,516,295.21 = 1,152,595.17/x - Step 3: Cross multiply
3,676,939.92x = 5,516,295.21 × 1,152,595.17 - Step 4: Simplify right side
3,676,939.92x = 6,358,055,215,340.14 - Step 5: Solve for x
x = 6,358,055,215,340.14/3,676,939.92 - Step 6: Final answer
x = 1,729,170.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.