Finding the Fourth Proportional to 3,816,759.12, 5,267,020.68 and 2,097,882.96
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Solution
The fourth proportional to 3,816,759.12, 5,267,020.68 and 2,097,882.96 is: 2,895,019.72
Step by Step Solution
- Step 1: Write the proportion equation
3,816,759.12 : 5,267,020.68 = 2,097,882.96 : x - Step 2: Convert to fraction form
3,816,759.12/5,267,020.68 = 2,097,882.96/x - Step 3: Cross multiply
3,816,759.12x = 5,267,020.68 × 2,097,882.96 - Step 4: Simplify right side
3,816,759.12x = 11,049,592,934,539.61 - Step 5: Solve for x
x = 11,049,592,934,539.61/3,816,759.12 - Step 6: Final answer
x = 2,895,019.72
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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.