Finding the Fourth Proportional to 2,921,659.66, 4,382,489.57 and 791,743.70
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Solution
The fourth proportional to 2,921,659.66, 4,382,489.57 and 791,743.70 is: 1,187,615.57
Step by Step Solution
- Step 1: Write the proportion equation
2,921,659.66 : 4,382,489.57 = 791,743.70 : x - Step 2: Convert to fraction form
2,921,659.66/4,382,489.57 = 791,743.70/x - Step 3: Cross multiply
2,921,659.66x = 4,382,489.57 × 791,743.70 - Step 4: Simplify right side
2,921,659.66x = 3,469,808,503,404.49 - Step 5: Solve for x
x = 3,469,808,503,404.49/2,921,659.66 - Step 6: Final answer
x = 1,187,615.57
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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.