Home / 3,286,781.10-4,930,171.65-1,043,145.90

Finding the Fourth Proportional to 3,286,781.10, 4,930,171.65 and 1,043,145.90

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Solution

The fourth proportional to 3,286,781.10, 4,930,171.65 and 1,043,145.90 is: 1,564,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,781.10 : 4,930,171.65 = 1,043,145.90 : x
  2. Step 2: Convert to fraction form
    3,286,781.10/4,930,171.65 = 1,043,145.90/x
  3. Step 3: Cross multiply
    3,286,781.10x = 4,930,171.65 × 1,043,145.90
  4. Step 4: Simplify right side
    3,286,781.10x = 5,142,888,342,993.74
  5. Step 5: Solve for x
    x = 5,142,888,342,993.74/3,286,781.10
  6. Step 6: Final answer
    x = 1,564,718.85

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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.