Finding the Fourth Proportional to 5,115,488.76, 7,059,375.18 and 2,823,649.92
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Solution
The fourth proportional to 5,115,488.76, 7,059,375.18 and 2,823,649.92 is: 3,896,637.27
Step by Step Solution
- Step 1: Write the proportion equation
5,115,488.76 : 7,059,375.18 = 2,823,649.92 : x - Step 2: Convert to fraction form
5,115,488.76/7,059,375.18 = 2,823,649.92/x - Step 3: Cross multiply
5,115,488.76x = 7,059,375.18 × 2,823,649.92 - Step 4: Simplify right side
5,115,488.76x = 19,933,204,162,256.98 - Step 5: Solve for x
x = 19,933,204,162,256.98/5,115,488.76 - Step 6: Final answer
x = 3,896,637.27
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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.