Home / 2,126,138.92-3,188,664.06-629,881

Finding the Fourth Proportional to 2,126,138.92, 3,188,664.06 and 629,881

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Solution

The fourth proportional to 2,126,138.92, 3,188,664.06 and 629,881 is: 944,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,138.92 : 3,188,664.06 = 629,881 : x
  2. Step 2: Convert to fraction form
    2,126,138.92/3,188,664.06 = 629,881/x
  3. Step 3: Cross multiply
    2,126,138.92x = 3,188,664.06 × 629,881
  4. Step 4: Simplify right side
    2,126,138.92x = 2,008,478,906,776.86
  5. Step 5: Solve for x
    x = 2,008,478,906,776.86/2,126,138.92
  6. Step 6: Final answer
    x = 944,660.24

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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.