Home / 3,984,733.11-5,977,286.46-1,289,269.38

Finding the Fourth Proportional to 3,984,733.11, 5,977,286.46 and 1,289,269.38

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Solution

The fourth proportional to 3,984,733.11, 5,977,286.46 and 1,289,269.38 is: 1,933,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,733.11 : 5,977,286.46 = 1,289,269.38 : x
  2. Step 2: Convert to fraction form
    3,984,733.11/5,977,286.46 = 1,289,269.38/x
  3. Step 3: Cross multiply
    3,984,733.11x = 5,977,286.46 × 1,289,269.38
  4. Step 4: Simplify right side
    3,984,733.11x = 7,706,332,408,366.59
  5. Step 5: Solve for x
    x = 7,706,332,408,366.59/3,984,733.11
  6. Step 6: Final answer
    x = 1,933,964.51

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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.