Finding the Fourth Proportional to 6,524,377.20, 9,786,565.80 and 2,745,241.20
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Solution
The fourth proportional to 6,524,377.20, 9,786,565.80 and 2,745,241.20 is: 4,117,861.80
Step by Step Solution
- Step 1: Write the proportion equation
6,524,377.20 : 9,786,565.80 = 2,745,241.20 : x - Step 2: Convert to fraction form
6,524,377.20/9,786,565.80 = 2,745,241.20/x - Step 3: Cross multiply
6,524,377.20x = 9,786,565.80 × 2,745,241.20 - Step 4: Simplify right side
6,524,377.20x = 26,866,483,640,670.96 - Step 5: Solve for x
x = 26,866,483,640,670.96/6,524,377.20 - Step 6: Final answer
x = 4,117,861.80
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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.