Home / 2,126,469.44-3,191,803.68-929,218.16

Finding the Fourth Proportional to 2,126,469.44, 3,191,803.68 and 929,218.16

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Solution

The fourth proportional to 2,126,469.44, 3,191,803.68 and 929,218.16 is: 1,394,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,469.44 : 3,191,803.68 = 929,218.16 : x
  2. Step 2: Convert to fraction form
    2,126,469.44/3,191,803.68 = 929,218.16/x
  3. Step 3: Cross multiply
    2,126,469.44x = 3,191,803.68 × 929,218.16
  4. Step 4: Simplify right side
    2,126,469.44x = 2,965,881,942,610.83
  5. Step 5: Solve for x
    x = 2,965,881,942,610.83/2,126,469.44
  6. Step 6: Final answer
    x = 1,394,744.68

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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.