Finding the Fourth Proportional to 4,900,229.70, 7,350,344.55 and 4,191,641.70
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Solution
The fourth proportional to 4,900,229.70, 7,350,344.55 and 4,191,641.70 is: 6,287,462.55
Step by Step Solution
- Step 1: Write the proportion equation
4,900,229.70 : 7,350,344.55 = 4,191,641.70 : x - Step 2: Convert to fraction form
4,900,229.70/7,350,344.55 = 4,191,641.70/x - Step 3: Cross multiply
4,900,229.70x = 7,350,344.55 × 4,191,641.70 - Step 4: Simplify right side
4,900,229.70x = 30,810,010,725,147.73 - Step 5: Solve for x
x = 30,810,010,725,147.73/4,900,229.70 - Step 6: Final answer
x = 6,287,462.55
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Double scale
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Similar ratio
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1.5x scale
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.