Home / 2,813,067.20-4,219,163.40-791,112.80

Finding the Fourth Proportional to 2,813,067.20, 4,219,163.40 and 791,112.80

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Solution

The fourth proportional to 2,813,067.20, 4,219,163.40 and 791,112.80 is: 1,186,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,067.20 : 4,219,163.40 = 791,112.80 : x
  2. Step 2: Convert to fraction form
    2,813,067.20/4,219,163.40 = 791,112.80/x
  3. Step 3: Cross multiply
    2,813,067.20x = 4,219,163.40 × 791,112.80
  4. Step 4: Simplify right side
    2,813,067.20x = 3,337,834,171,031.52
  5. Step 5: Solve for x
    x = 3,337,834,171,031.52/2,813,067.20
  6. Step 6: Final answer
    x = 1,186,546.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.