Home / 3,131,840.89-4,321,866.90-1,842,764.77

Finding the Fourth Proportional to 3,131,840.89, 4,321,866.90 and 1,842,764.77

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Solution

The fourth proportional to 3,131,840.89, 4,321,866.90 and 1,842,764.77 is: 2,542,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,840.89 : 4,321,866.90 = 1,842,764.77 : x
  2. Step 2: Convert to fraction form
    3,131,840.89/4,321,866.90 = 1,842,764.77/x
  3. Step 3: Cross multiply
    3,131,840.89x = 4,321,866.90 × 1,842,764.77
  4. Step 4: Simplify right side
    3,131,840.89x = 7,964,184,063,949.11
  5. Step 5: Solve for x
    x = 7,964,184,063,949.11/3,131,840.89
  6. Step 6: Final answer
    x = 2,542,972.12

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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.