Finding the Fourth Proportional to 3,438,188.75, 4,744,728.61 and 2,149,776.02
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Solution
The fourth proportional to 3,438,188.75, 4,744,728.61 and 2,149,776.02 is: 2,966,708.50
Step by Step Solution
- Step 1: Write the proportion equation
3,438,188.75 : 4,744,728.61 = 2,149,776.02 : x - Step 2: Convert to fraction form
3,438,188.75/4,744,728.61 = 2,149,776.02/x - Step 3: Cross multiply
3,438,188.75x = 4,744,728.61 × 2,149,776.02 - Step 4: Simplify right side
3,438,188.75x = 10,200,103,758,087.85 - Step 5: Solve for x
x = 10,200,103,758,087.85/3,438,188.75 - Step 6: Final answer
x = 2,966,708.50
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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.