Home / 6,278,919-9,419,782.50-2,289,831

Finding the Fourth Proportional to 6,278,919, 9,419,782.50 and 2,289,831

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Solution

The fourth proportional to 6,278,919, 9,419,782.50 and 2,289,831 is: 3,435,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,919 : 9,419,782.50 = 2,289,831 : x
  2. Step 2: Convert to fraction form
    6,278,919/9,419,782.50 = 2,289,831/x
  3. Step 3: Cross multiply
    6,278,919x = 9,419,782.50 × 2,289,831
  4. Step 4: Simplify right side
    6,278,919x = 21,569,709,981,757.50
  5. Step 5: Solve for x
    x = 21,569,709,981,757.50/6,278,919
  6. Step 6: Final answer
    x = 3,435,258.52

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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.