Home / 2,819,666.70-4,229,500.05-926,469.90

Finding the Fourth Proportional to 2,819,666.70, 4,229,500.05 and 926,469.90

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Solution

The fourth proportional to 2,819,666.70, 4,229,500.05 and 926,469.90 is: 1,389,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,666.70 : 4,229,500.05 = 926,469.90 : x
  2. Step 2: Convert to fraction form
    2,819,666.70/4,229,500.05 = 926,469.90/x
  3. Step 3: Cross multiply
    2,819,666.70x = 4,229,500.05 × 926,469.90
  4. Step 4: Simplify right side
    2,819,666.70x = 3,918,504,488,373.50
  5. Step 5: Solve for x
    x = 3,918,504,488,373.50/2,819,666.70
  6. Step 6: Final answer
    x = 1,389,704.85

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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.