Home / 2,126,011.20-3,187,922.40-629,908.80

Finding the Fourth Proportional to 2,126,011.20, 3,187,922.40 and 629,908.80

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Solution

The fourth proportional to 2,126,011.20, 3,187,922.40 and 629,908.80 is: 944,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,011.20 : 3,187,922.40 = 629,908.80 : x
  2. Step 2: Convert to fraction form
    2,126,011.20/3,187,922.40 = 629,908.80/x
  3. Step 3: Cross multiply
    2,126,011.20x = 3,187,922.40 × 629,908.80
  4. Step 4: Simplify right side
    2,126,011.20x = 2,008,100,373,477.12
  5. Step 5: Solve for x
    x = 2,008,100,373,477.12/2,126,011.20
  6. Step 6: Final answer
    x = 944,538.94

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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.