Home / 2,485,469.28-3,429,914.94-1,397,740.53

Finding the Fourth Proportional to 2,485,469.28, 3,429,914.94 and 1,397,740.53

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Solution

The fourth proportional to 2,485,469.28, 3,429,914.94 and 1,397,740.53 is: 1,928,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,469.28 : 3,429,914.94 = 1,397,740.53 : x
  2. Step 2: Convert to fraction form
    2,485,469.28/3,429,914.94 = 1,397,740.53/x
  3. Step 3: Cross multiply
    2,485,469.28x = 3,429,914.94 × 1,397,740.53
  4. Step 4: Simplify right side
    2,485,469.28x = 4,794,131,126,090.52
  5. Step 5: Solve for x
    x = 4,794,131,126,090.52/2,485,469.28
  6. Step 6: Final answer
    x = 1,928,863.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.