Finding the Fourth Proportional to 3,859,581.86, 5,782,065.36 and 2,576,319.92
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Solution
The fourth proportional to 3,859,581.86, 5,782,065.36 and 2,576,319.92 is: 3,859,602.08
Step by Step Solution
- Step 1: Write the proportion equation
3,859,581.86 : 5,782,065.36 = 2,576,319.92 : x - Step 2: Convert to fraction form
3,859,581.86/5,782,065.36 = 2,576,319.92/x - Step 3: Cross multiply
3,859,581.86x = 5,782,065.36 × 2,576,319.92 - Step 4: Simplify right side
3,859,581.86x = 14,896,450,165,709.97 - Step 5: Solve for x
x = 14,896,450,165,709.97/3,859,581.86 - Step 6: Final answer
x = 3,859,602.08
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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.