Home / 2,198,968.72-3,299,581.68-1,047,519.28

Finding the Fourth Proportional to 2,198,968.72, 3,299,581.68 and 1,047,519.28

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Solution

The fourth proportional to 2,198,968.72, 3,299,581.68 and 1,047,519.28 is: 1,571,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,968.72 : 3,299,581.68 = 1,047,519.28 : x
  2. Step 2: Convert to fraction form
    2,198,968.72/3,299,581.68 = 1,047,519.28/x
  3. Step 3: Cross multiply
    2,198,968.72x = 3,299,581.68 × 1,047,519.28
  4. Step 4: Simplify right side
    2,198,968.72x = 3,456,375,425,734.79
  5. Step 5: Solve for x
    x = 3,456,375,425,734.79/2,198,968.72
  6. Step 6: Final answer
    x = 1,571,816.55

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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.