Home / 6,384,312.70-9,576,469.05-3,990,859.90

Finding the Fourth Proportional to 6,384,312.70, 9,576,469.05 and 3,990,859.90

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Solution

The fourth proportional to 6,384,312.70, 9,576,469.05 and 3,990,859.90 is: 5,986,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,312.70 : 9,576,469.05 = 3,990,859.90 : x
  2. Step 2: Convert to fraction form
    6,384,312.70/9,576,469.05 = 3,990,859.90/x
  3. Step 3: Cross multiply
    6,384,312.70x = 9,576,469.05 × 3,990,859.90
  4. Step 4: Simplify right side
    6,384,312.70x = 38,218,346,315,236.09
  5. Step 5: Solve for x
    x = 38,218,346,315,236.09/6,384,312.70
  6. Step 6: Final answer
    x = 5,986,289.85

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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.