Finding the Fourth Proportional to 2,921,614.52, 4,031,819.55 and 1,632,455.88
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Solution
The fourth proportional to 2,921,614.52, 4,031,819.55 and 1,632,455.88 is: 2,252,784.37
Step by Step Solution
- Step 1: Write the proportion equation
2,921,614.52 : 4,031,819.55 = 1,632,455.88 : x - Step 2: Convert to fraction form
2,921,614.52/4,031,819.55 = 1,632,455.88/x - Step 3: Cross multiply
2,921,614.52x = 4,031,819.55 × 1,632,455.88 - Step 4: Simplify right side
2,921,614.52x = 6,581,767,516,377.13 - Step 5: Solve for x
x = 6,581,767,516,377.13/2,921,614.52 - Step 6: Final answer
x = 2,252,784.37
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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.