Home / 2,188,150.85-3,279,981.55-839,950.40

Finding the Fourth Proportional to 2,188,150.85, 3,279,981.55 and 839,950.40

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Solution

The fourth proportional to 2,188,150.85, 3,279,981.55 and 839,950.40 is: 1,259,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,150.85 : 3,279,981.55 = 839,950.40 : x
  2. Step 2: Convert to fraction form
    2,188,150.85/3,279,981.55 = 839,950.40/x
  3. Step 3: Cross multiply
    2,188,150.85x = 3,279,981.55 × 839,950.40
  4. Step 4: Simplify right side
    2,188,150.85x = 2,755,021,814,915.12
  5. Step 5: Solve for x
    x = 2,755,021,814,915.12/2,188,150.85
  6. Step 6: Final answer
    x = 1,259,063.93

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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.