Finding the Fourth Proportional to 2,825,163.92, 3,898,697.16 and 2,103,240.08
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Solution
The fourth proportional to 2,825,163.92, 3,898,697.16 and 2,103,240.08 is: 2,902,449.68
Step by Step Solution
- Step 1: Write the proportion equation
2,825,163.92 : 3,898,697.16 = 2,103,240.08 : x - Step 2: Convert to fraction form
2,825,163.92/3,898,697.16 = 2,103,240.08/x - Step 3: Cross multiply
2,825,163.92x = 3,898,697.16 × 2,103,240.08 - Step 4: Simplify right side
2,825,163.92x = 8,199,896,126,694.17 - Step 5: Solve for x
x = 8,199,896,126,694.17/2,825,163.92 - Step 6: Final answer
x = 2,902,449.68
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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.