Home / 2,126,137.92-3,188,662.56-629,880

Finding the Fourth Proportional to 2,126,137.92, 3,188,662.56 and 629,880

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Solution

The fourth proportional to 2,126,137.92, 3,188,662.56 and 629,880 is: 944,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,137.92 : 3,188,662.56 = 629,880 : x
  2. Step 2: Convert to fraction form
    2,126,137.92/3,188,662.56 = 629,880/x
  3. Step 3: Cross multiply
    2,126,137.92x = 3,188,662.56 × 629,880
  4. Step 4: Simplify right side
    2,126,137.92x = 2,008,474,773,292.80
  5. Step 5: Solve for x
    x = 2,008,474,773,292.80/2,126,137.92
  6. Step 6: Final answer
    x = 944,658.74

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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.