Home / 2,132,178.92-2,942,399.87-1,165,308.95

Finding the Fourth Proportional to 2,132,178.92, 2,942,399.87 and 1,165,308.95

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Solution

The fourth proportional to 2,132,178.92, 2,942,399.87 and 1,165,308.95 is: 1,608,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,178.92 : 2,942,399.87 = 1,165,308.95 : x
  2. Step 2: Convert to fraction form
    2,132,178.92/2,942,399.87 = 1,165,308.95/x
  3. Step 3: Cross multiply
    2,132,178.92x = 2,942,399.87 × 1,165,308.95
  4. Step 4: Simplify right side
    2,132,178.92x = 3,428,804,882,451.29
  5. Step 5: Solve for x
    x = 3,428,804,882,451.29/2,132,178.92
  6. Step 6: Final answer
    x = 1,608,122.50

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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.