Finding the Fourth Proportional to 2,031,442.43, 2,801,456.57 and 1,215,516.47
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Solution
The fourth proportional to 2,031,442.43, 2,801,456.57 and 1,215,516.47 is: 1,676,255.52
Step by Step Solution
- Step 1: Write the proportion equation
2,031,442.43 : 2,801,456.57 = 1,215,516.47 : x - Step 2: Convert to fraction form
2,031,442.43/2,801,456.57 = 1,215,516.47/x - Step 3: Cross multiply
2,031,442.43x = 2,801,456.57 × 1,215,516.47 - Step 4: Simplify right side
2,031,442.43x = 3,405,216,594,747.13 - Step 5: Solve for x
x = 3,405,216,594,747.13/2,031,442.43 - Step 6: Final answer
x = 1,676,255.52
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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.