Home / 2,149,067.20-3,219,914.40-1,024,715.20

Finding the Fourth Proportional to 2,149,067.20, 3,219,914.40 and 1,024,715.20

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Solution

The fourth proportional to 2,149,067.20, 3,219,914.40 and 1,024,715.20 is: 1,535,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,067.20 : 3,219,914.40 = 1,024,715.20 : x
  2. Step 2: Convert to fraction form
    2,149,067.20/3,219,914.40 = 1,024,715.20/x
  3. Step 3: Cross multiply
    2,149,067.20x = 3,219,914.40 × 1,024,715.20
  4. Step 4: Simplify right side
    2,149,067.20x = 3,299,495,228,378.88
  5. Step 5: Solve for x
    x = 3,299,495,228,378.88/2,149,067.20
  6. Step 6: Final answer
    x = 1,535,315.06

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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.