Home / 2,571,819.80-3,857,729.70-865,820.48

Finding the Fourth Proportional to 2,571,819.80, 3,857,729.70 and 865,820.48

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Solution

The fourth proportional to 2,571,819.80, 3,857,729.70 and 865,820.48 is: 1,298,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,819.80 : 3,857,729.70 = 865,820.48 : x
  2. Step 2: Convert to fraction form
    2,571,819.80/3,857,729.70 = 865,820.48/x
  3. Step 3: Cross multiply
    2,571,819.80x = 3,857,729.70 × 865,820.48
  4. Step 4: Simplify right side
    2,571,819.80x = 3,340,101,380,564.26
  5. Step 5: Solve for x
    x = 3,340,101,380,564.26/2,571,819.80
  6. Step 6: Final answer
    x = 1,298,730.72

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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.