Home / 2,240,919.12-3,360,866.76-643,469.52

Finding the Fourth Proportional to 2,240,919.12, 3,360,866.76 and 643,469.52

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Solution

The fourth proportional to 2,240,919.12, 3,360,866.76 and 643,469.52 is: 965,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,919.12 : 3,360,866.76 = 643,469.52 : x
  2. Step 2: Convert to fraction form
    2,240,919.12/3,360,866.76 = 643,469.52/x
  3. Step 3: Cross multiply
    2,240,919.12x = 3,360,866.76 × 643,469.52
  4. Step 4: Simplify right side
    2,240,919.12x = 2,162,615,320,841.16
  5. Step 5: Solve for x
    x = 2,162,615,320,841.16/2,240,919.12
  6. Step 6: Final answer
    x = 965,057.28

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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.