Finding the Fourth Proportional to 4,123,205.70, 6,174,310.95 and 3,934,248.90
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Solution
The fourth proportional to 4,123,205.70, 6,174,310.95 and 3,934,248.90 is: 5,891,356.83
Step by Step Solution
- Step 1: Write the proportion equation
4,123,205.70 : 6,174,310.95 = 3,934,248.90 : x - Step 2: Convert to fraction form
4,123,205.70/6,174,310.95 = 3,934,248.90/x - Step 3: Cross multiply
4,123,205.70x = 6,174,310.95 × 3,934,248.90 - Step 4: Simplify right side
4,123,205.70x = 24,291,276,063,295.46 - Step 5: Solve for x
x = 24,291,276,063,295.46/4,123,205.70 - Step 6: Final answer
x = 5,891,356.83
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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.