Finding the Fourth Proportional to 5,251,191.76, 7,876,788.98 and 1,657,239.99
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Solution
The fourth proportional to 5,251,191.76, 7,876,788.98 and 1,657,239.99 is: 2,485,860.41
Step by Step Solution
- Step 1: Write the proportion equation
5,251,191.76 : 7,876,788.98 = 1,657,239.99 : x - Step 2: Convert to fraction form
5,251,191.76/7,876,788.98 = 1,657,239.99/x - Step 3: Cross multiply
5,251,191.76x = 7,876,788.98 × 1,657,239.99 - Step 4: Simplify right side
5,251,191.76x = 13,053,729,690,447.31 - Step 5: Solve for x
x = 13,053,729,690,447.31/5,251,191.76 - Step 6: Final answer
x = 2,485,860.41
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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.