Home / 2,309,724.11-3,187,139.70-1,277,161.22

Finding the Fourth Proportional to 2,309,724.11, 3,187,139.70 and 1,277,161.22

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Solution

The fourth proportional to 2,309,724.11, 3,187,139.70 and 1,277,161.22 is: 1,762,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,724.11 : 3,187,139.70 = 1,277,161.22 : x
  2. Step 2: Convert to fraction form
    2,309,724.11/3,187,139.70 = 1,277,161.22/x
  3. Step 3: Cross multiply
    2,309,724.11x = 3,187,139.70 × 1,277,161.22
  4. Step 4: Simplify right side
    2,309,724.11x = 4,070,491,240,319.64
  5. Step 5: Solve for x
    x = 4,070,491,240,319.64/2,309,724.11
  6. Step 6: Final answer
    x = 1,762,327.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.