Home / 3,120,764.68-4,305,468.22-2,306,921.91

Finding the Fourth Proportional to 3,120,764.68, 4,305,468.22 and 2,306,921.91

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Solution

The fourth proportional to 3,120,764.68, 4,305,468.22 and 2,306,921.91 is: 3,182,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,764.68 : 4,305,468.22 = 2,306,921.91 : x
  2. Step 2: Convert to fraction form
    3,120,764.68/4,305,468.22 = 2,306,921.91/x
  3. Step 3: Cross multiply
    3,120,764.68x = 4,305,468.22 × 2,306,921.91
  4. Step 4: Simplify right side
    3,120,764.68x = 9,932,378,969,526.70
  5. Step 5: Solve for x
    x = 9,932,378,969,526.70/3,120,764.68
  6. Step 6: Final answer
    x = 3,182,674.76

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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.