Home / 2,201,461.20-3,302,191.80-781,660.80

Finding the Fourth Proportional to 2,201,461.20, 3,302,191.80 and 781,660.80

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Solution

The fourth proportional to 2,201,461.20, 3,302,191.80 and 781,660.80 is: 1,172,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,461.20 : 3,302,191.80 = 781,660.80 : x
  2. Step 2: Convert to fraction form
    2,201,461.20/3,302,191.80 = 781,660.80/x
  3. Step 3: Cross multiply
    2,201,461.20x = 3,302,191.80 × 781,660.80
  4. Step 4: Simplify right side
    2,201,461.20x = 2,581,193,884,141.44
  5. Step 5: Solve for x
    x = 2,581,193,884,141.44/2,201,461.20
  6. Step 6: Final answer
    x = 1,172,491.20

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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.