Finding the Fourth Proportional to 2,587,882.12, 3,882,543.28 and 1,129,056.19
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Solution
The fourth proportional to 2,587,882.12, 3,882,543.28 and 1,129,056.19 is: 1,693,898.45
Step by Step Solution
- Step 1: Write the proportion equation
2,587,882.12 : 3,882,543.28 = 1,129,056.19 : x - Step 2: Convert to fraction form
2,587,882.12/3,882,543.28 = 1,129,056.19/x - Step 3: Cross multiply
2,587,882.12x = 3,882,543.28 × 1,129,056.19 - Step 4: Simplify right side
2,587,882.12x = 4,383,609,523,226.90 - Step 5: Solve for x
x = 4,383,609,523,226.90/2,587,882.12 - Step 6: Final answer
x = 1,693,898.45
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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.