Home / 3,131,327.72-4,321,232.88-1,907,633.20

Finding the Fourth Proportional to 3,131,327.72, 4,321,232.88 and 1,907,633.20

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Solution

The fourth proportional to 3,131,327.72, 4,321,232.88 and 1,907,633.20 is: 2,632,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,327.72 : 4,321,232.88 = 1,907,633.20 : x
  2. Step 2: Convert to fraction form
    3,131,327.72/4,321,232.88 = 1,907,633.20/x
  3. Step 3: Cross multiply
    3,131,327.72x = 4,321,232.88 × 1,907,633.20
  4. Step 4: Simplify right side
    3,131,327.72x = 8,243,327,306,819.62
  5. Step 5: Solve for x
    x = 8,243,327,306,819.62/3,131,327.72
  6. Step 6: Final answer
    x = 2,632,534.20

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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.