Home / 3,131,393.70-4,321,250.13-1,842,317.10

Finding the Fourth Proportional to 3,131,393.70, 4,321,250.13 and 1,842,317.10

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Solution

The fourth proportional to 3,131,393.70, 4,321,250.13 and 1,842,317.10 is: 2,542,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,393.70 : 4,321,250.13 = 1,842,317.10 : x
  2. Step 2: Convert to fraction form
    3,131,393.70/4,321,250.13 = 1,842,317.10/x
  3. Step 3: Cross multiply
    3,131,393.70x = 4,321,250.13 × 1,842,317.10
  4. Step 4: Simplify right side
    3,131,393.70x = 7,961,113,007,876.22
  5. Step 5: Solve for x
    x = 7,961,113,007,876.22/3,131,393.70
  6. Step 6: Final answer
    x = 2,542,354.55

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1.5x scale

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.