Home / 3,167,820.48-4,375,200.68-2,147,453.76

Finding the Fourth Proportional to 3,167,820.48, 4,375,200.68 and 2,147,453.76

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Solution

The fourth proportional to 3,167,820.48, 4,375,200.68 and 2,147,453.76 is: 2,965,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,820.48 : 4,375,200.68 = 2,147,453.76 : x
  2. Step 2: Convert to fraction form
    3,167,820.48/4,375,200.68 = 2,147,453.76/x
  3. Step 3: Cross multiply
    3,167,820.48x = 4,375,200.68 × 2,147,453.76
  4. Step 4: Simplify right side
    3,167,820.48x = 9,395,541,151,020.56
  5. Step 5: Solve for x
    x = 9,395,541,151,020.56/3,167,820.48
  6. Step 6: Final answer
    x = 2,965,932.32

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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.