Finding the Fourth Proportional to 5,743,808.80, 7,926,456.18 and 3,165,489.61
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Solution
The fourth proportional to 5,743,808.80, 7,926,456.18 and 3,165,489.61 is: 4,368,375.68
Step by Step Solution
- Step 1: Write the proportion equation
5,743,808.80 : 7,926,456.18 = 3,165,489.61 : x - Step 2: Convert to fraction form
5,743,808.80/7,926,456.18 = 3,165,489.61/x - Step 3: Cross multiply
5,743,808.80x = 7,926,456.18 × 3,165,489.61 - Step 4: Simplify right side
5,743,808.80x = 25,091,114,681,910.29 - Step 5: Solve for x
x = 25,091,114,681,910.29/5,743,808.80 - Step 6: Final answer
x = 4,368,375.68
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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.