Home / 3,131,372.79-4,321,221.21-1,842,296.13

Finding the Fourth Proportional to 3,131,372.79, 4,321,221.21 and 1,842,296.13

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Solution

The fourth proportional to 3,131,372.79, 4,321,221.21 and 1,842,296.13 is: 2,542,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,372.79 : 4,321,221.21 = 1,842,296.13 : x
  2. Step 2: Convert to fraction form
    3,131,372.79/4,321,221.21 = 1,842,296.13/x
  3. Step 3: Cross multiply
    3,131,372.79x = 4,321,221.21 × 1,842,296.13
  4. Step 4: Simplify right side
    3,131,372.79x = 7,960,969,112,056.92
  5. Step 5: Solve for x
    x = 7,960,969,112,056.92/3,131,372.79
  6. Step 6: Final answer
    x = 2,542,325.57

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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.