Home / 3,428,721.99-5,143,363.02-1,721,987.46

Finding the Fourth Proportional to 3,428,721.99, 5,143,363.02 and 1,721,987.46

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Solution

The fourth proportional to 3,428,721.99, 5,143,363.02 and 1,721,987.46 is: 2,583,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,721.99 : 5,143,363.02 = 1,721,987.46 : x
  2. Step 2: Convert to fraction form
    3,428,721.99/5,143,363.02 = 1,721,987.46/x
  3. Step 3: Cross multiply
    3,428,721.99x = 5,143,363.02 × 1,721,987.46
  4. Step 4: Simplify right side
    3,428,721.99x = 8,856,806,622,667.73
  5. Step 5: Solve for x
    x = 8,856,806,622,667.73/3,428,721.99
  6. Step 6: Final answer
    x = 2,583,121.83

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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.