Finding the Fourth Proportional to 4,887,907.40, 7,331,861.10 and 3,195,849.80
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Solution
The fourth proportional to 4,887,907.40, 7,331,861.10 and 3,195,849.80 is: 4,793,774.70
Step by Step Solution
- Step 1: Write the proportion equation
4,887,907.40 : 7,331,861.10 = 3,195,849.80 : x - Step 2: Convert to fraction form
4,887,907.40/7,331,861.10 = 3,195,849.80/x - Step 3: Cross multiply
4,887,907.40x = 7,331,861.10 × 3,195,849.80 - Step 4: Simplify right side
4,887,907.40x = 23,431,526,830,062.78 - Step 5: Solve for x
x = 23,431,526,830,062.78/4,887,907.40 - Step 6: Final answer
x = 4,793,774.70
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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.