Home / 3,131,835-4,321,858.79-1,842,758.88

Finding the Fourth Proportional to 3,131,835, 4,321,858.79 and 1,842,758.88

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Solution

The fourth proportional to 3,131,835, 4,321,858.79 and 1,842,758.88 is: 2,542,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,835 : 4,321,858.79 = 1,842,758.88 : x
  2. Step 2: Convert to fraction form
    3,131,835/4,321,858.79 = 1,842,758.88/x
  3. Step 3: Cross multiply
    3,131,835x = 4,321,858.79 × 1,842,758.88
  4. Step 4: Simplify right side
    3,131,835x = 7,964,143,667,985.45
  5. Step 5: Solve for x
    x = 7,964,143,667,985.45/3,131,835
  6. Step 6: Final answer
    x = 2,542,964.00

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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.