Finding the Fourth Proportional to 5,251,186.74, 7,876,781.48 and 1,657,234.97
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Solution
The fourth proportional to 5,251,186.74, 7,876,781.48 and 1,657,234.97 is: 2,485,852.89
Step by Step Solution
- Step 1: Write the proportion equation
5,251,186.74 : 7,876,781.48 = 1,657,234.97 : x - Step 2: Convert to fraction form
5,251,186.74/7,876,781.48 = 1,657,234.97/x - Step 3: Cross multiply
5,251,186.74x = 7,876,781.48 × 1,657,234.97 - Step 4: Simplify right side
5,251,186.74x = 13,053,677,719,704.36 - Step 5: Solve for x
x = 13,053,677,719,704.36/5,251,186.74 - Step 6: Final answer
x = 2,485,852.89
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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.