Home / 2,491,200.80-3,737,722.80-808,359.20

Finding the Fourth Proportional to 2,491,200.80, 3,737,722.80 and 808,359.20

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Solution

The fourth proportional to 2,491,200.80, 3,737,722.80 and 808,359.20 is: 1,212,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,200.80 : 3,737,722.80 = 808,359.20 : x
  2. Step 2: Convert to fraction form
    2,491,200.80/3,737,722.80 = 808,359.20/x
  3. Step 3: Cross multiply
    2,491,200.80x = 3,737,722.80 × 808,359.20
  4. Step 4: Simplify right side
    2,491,200.80x = 3,021,422,612,429.76
  5. Step 5: Solve for x
    x = 3,021,422,612,429.76/2,491,200.80
  6. Step 6: Final answer
    x = 1,212,837.85

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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.