Home / 3,189,207.88-4,782,995.34-944,821

Finding the Fourth Proportional to 3,189,207.88, 4,782,995.34 and 944,821

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Solution

The fourth proportional to 3,189,207.88, 4,782,995.34 and 944,821 is: 1,416,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,207.88 : 4,782,995.34 = 944,821 : x
  2. Step 2: Convert to fraction form
    3,189,207.88/4,782,995.34 = 944,821/x
  3. Step 3: Cross multiply
    3,189,207.88x = 4,782,995.34 × 944,821
  4. Step 4: Simplify right side
    3,189,207.88x = 4,519,074,440,134.14
  5. Step 5: Solve for x
    x = 4,519,074,440,134.14/3,189,207.88
  6. Step 6: Final answer
    x = 1,416,989.61

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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.