Finding the Fourth Proportional to 6,117,251.10, 9,175,876.65 and 2,128,163.10
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Solution
The fourth proportional to 6,117,251.10, 9,175,876.65 and 2,128,163.10 is: 3,192,244.65
Step by Step Solution
- Step 1: Write the proportion equation
6,117,251.10 : 9,175,876.65 = 2,128,163.10 : x - Step 2: Convert to fraction form
6,117,251.10/9,175,876.65 = 2,128,163.10/x - Step 3: Cross multiply
6,117,251.10x = 9,175,876.65 × 2,128,163.10 - Step 4: Simplify right side
6,117,251.10x = 19,527,762,096,681.62 - Step 5: Solve for x
x = 19,527,762,096,681.62/6,117,251.10 - Step 6: Final answer
x = 3,192,244.65
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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.