Home / 3,819,991.50-5,272,337.12-2,189,491.88

Finding the Fourth Proportional to 3,819,991.50, 5,272,337.12 and 2,189,491.88

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Solution

The fourth proportional to 3,819,991.50, 5,272,337.12 and 2,189,491.88 is: 3,021,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,991.50 : 5,272,337.12 = 2,189,491.88 : x
  2. Step 2: Convert to fraction form
    3,819,991.50/5,272,337.12 = 2,189,491.88/x
  3. Step 3: Cross multiply
    3,819,991.50x = 5,272,337.12 × 2,189,491.88
  4. Step 4: Simplify right side
    3,819,991.50x = 11,543,739,275,553.44
  5. Step 5: Solve for x
    x = 11,543,739,275,553.44/3,819,991.50
  6. Step 6: Final answer
    x = 3,021,928.00

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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.