Home / 2,571,818.80-3,857,728.20-865,819.48

Finding the Fourth Proportional to 2,571,818.80, 3,857,728.20 and 865,819.48

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Solution

The fourth proportional to 2,571,818.80, 3,857,728.20 and 865,819.48 is: 1,298,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,818.80 : 3,857,728.20 = 865,819.48 : x
  2. Step 2: Convert to fraction form
    2,571,818.80/3,857,728.20 = 865,819.48/x
  3. Step 3: Cross multiply
    2,571,818.80x = 3,857,728.20 × 865,819.48
  4. Step 4: Simplify right side
    2,571,818.80x = 3,340,096,224,105.34
  5. Step 5: Solve for x
    x = 3,340,096,224,105.34/2,571,818.80
  6. Step 6: Final answer
    x = 1,298,729.22

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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.