Home / 4,288,396.91-5,918,180.78-2,569,480.52

Finding the Fourth Proportional to 4,288,396.91, 5,918,180.78 and 2,569,480.52

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Solution

The fourth proportional to 4,288,396.91, 5,918,180.78 and 2,569,480.52 is: 3,545,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288,396.91 : 5,918,180.78 = 2,569,480.52 : x
  2. Step 2: Convert to fraction form
    4,288,396.91/5,918,180.78 = 2,569,480.52/x
  3. Step 3: Cross multiply
    4,288,396.91x = 5,918,180.78 × 2,569,480.52
  4. Step 4: Simplify right side
    4,288,396.91x = 15,206,650,228,048.41
  5. Step 5: Solve for x
    x = 15,206,650,228,048.41/4,288,396.91
  6. Step 6: Final answer
    x = 3,545,998.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.