Home / 1,981,576.92-2,734,576.04-1,122,303.28

Finding the Fourth Proportional to 1,981,576.92, 2,734,576.04 and 1,122,303.28

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Solution

The fourth proportional to 1,981,576.92, 2,734,576.04 and 1,122,303.28 is: 1,548,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,576.92 : 2,734,576.04 = 1,122,303.28 : x
  2. Step 2: Convert to fraction form
    1,981,576.92/2,734,576.04 = 1,122,303.28/x
  3. Step 3: Cross multiply
    1,981,576.92x = 2,734,576.04 × 1,122,303.28
  4. Step 4: Simplify right side
    1,981,576.92x = 3,069,023,659,101.41
  5. Step 5: Solve for x
    x = 3,069,023,659,101.41/1,981,576.92
  6. Step 6: Final answer
    x = 1,548,778.46

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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.