Finding the Fourth Proportional to 4,381,967.40, 6,561,891.90 and 3,497,231.40
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Solution
The fourth proportional to 4,381,967.40, 6,561,891.90 and 3,497,231.40 is: 5,237,020.79
Step by Step Solution
- Step 1: Write the proportion equation
4,381,967.40 : 6,561,891.90 = 3,497,231.40 : x - Step 2: Convert to fraction form
4,381,967.40/6,561,891.90 = 3,497,231.40/x - Step 3: Cross multiply
4,381,967.40x = 6,561,891.90 × 3,497,231.40 - Step 4: Simplify right side
4,381,967.40x = 22,948,454,396,085.66 - Step 5: Solve for x
x = 22,948,454,396,085.66/4,381,967.40 - Step 6: Final answer
x = 5,237,020.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.