Home / 2,150,143.71-3,221,432.12-2,022,138.60

Finding the Fourth Proportional to 2,150,143.71, 3,221,432.12 and 2,022,138.60

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Solution

The fourth proportional to 2,150,143.71, 3,221,432.12 and 2,022,138.60 is: 3,029,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,143.71 : 3,221,432.12 = 2,022,138.60 : x
  2. Step 2: Convert to fraction form
    2,150,143.71/3,221,432.12 = 2,022,138.60/x
  3. Step 3: Cross multiply
    2,150,143.71x = 3,221,432.12 × 2,022,138.60
  4. Step 4: Simplify right side
    2,150,143.71x = 6,514,182,227,021.14
  5. Step 5: Solve for x
    x = 6,514,182,227,021.14/2,150,143.71
  6. Step 6: Final answer
    x = 3,029,649.69

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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.