Finding the Fourth Proportional to 3,868,178.75, 5,337,773.97 and 2,236,691.93
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Solution
The fourth proportional to 3,868,178.75, 5,337,773.97 and 2,236,691.93 is: 3,086,454.05
Step by Step Solution
- Step 1: Write the proportion equation
3,868,178.75 : 5,337,773.97 = 2,236,691.93 : x - Step 2: Convert to fraction form
3,868,178.75/5,337,773.97 = 2,236,691.93/x - Step 3: Cross multiply
3,868,178.75x = 5,337,773.97 × 2,236,691.93 - Step 4: Simplify right side
3,868,178.75x = 11,938,955,936,174.19 - Step 5: Solve for x
x = 11,938,955,936,174.19/3,868,178.75 - Step 6: Final answer
x = 3,086,454.05
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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.