Home / 2,378,806.11-3,568,580.96-781,005.78

Finding the Fourth Proportional to 2,378,806.11, 3,568,580.96 and 781,005.78

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Solution

The fourth proportional to 2,378,806.11, 3,568,580.96 and 781,005.78 is: 1,171,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,806.11 : 3,568,580.96 = 781,005.78 : x
  2. Step 2: Convert to fraction form
    2,378,806.11/3,568,580.96 = 781,005.78/x
  3. Step 3: Cross multiply
    2,378,806.11x = 3,568,580.96 × 781,005.78
  4. Step 4: Simplify right side
    2,378,806.11x = 2,787,082,352,252.92
  5. Step 5: Solve for x
    x = 2,787,082,352,252.92/2,378,806.11
  6. Step 6: Final answer
    x = 1,171,630.74

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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.