Home / 2,113,169.13-3,169,753.76-991,238.13

Finding the Fourth Proportional to 2,113,169.13, 3,169,753.76 and 991,238.13

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Solution

The fourth proportional to 2,113,169.13, 3,169,753.76 and 991,238.13 is: 1,486,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,169.13 : 3,169,753.76 = 991,238.13 : x
  2. Step 2: Convert to fraction form
    2,113,169.13/3,169,753.76 = 991,238.13/x
  3. Step 3: Cross multiply
    2,113,169.13x = 3,169,753.76 × 991,238.13
  4. Step 4: Simplify right side
    2,113,169.13x = 3,141,980,789,622.87
  5. Step 5: Solve for x
    x = 3,141,980,789,622.87/2,113,169.13
  6. Step 6: Final answer
    x = 1,486,857.23

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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.