Finding the Fourth Proportional to 4,231,952.85, 5,841,881.95 and 2,857,158.07
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Solution
The fourth proportional to 4,231,952.85, 5,841,881.95 and 2,857,158.07 is: 3,944,084.62
Step by Step Solution
- Step 1: Write the proportion equation
4,231,952.85 : 5,841,881.95 = 2,857,158.07 : x - Step 2: Convert to fraction form
4,231,952.85/5,841,881.95 = 2,857,158.07/x - Step 3: Cross multiply
4,231,952.85x = 5,841,881.95 × 2,857,158.07 - Step 4: Simplify right side
4,231,952.85x = 16,691,180,143,144.05 - Step 5: Solve for x
x = 16,691,180,143,144.05/4,231,952.85 - Step 6: Final answer
x = 3,944,084.62
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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.