Home / 2,092,850.40-3,139,275.60-1,028,575.20

Finding the Fourth Proportional to 2,092,850.40, 3,139,275.60 and 1,028,575.20

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Solution

The fourth proportional to 2,092,850.40, 3,139,275.60 and 1,028,575.20 is: 1,542,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,850.40 : 3,139,275.60 = 1,028,575.20 : x
  2. Step 2: Convert to fraction form
    2,092,850.40/3,139,275.60 = 1,028,575.20/x
  3. Step 3: Cross multiply
    2,092,850.40x = 3,139,275.60 × 1,028,575.20
  4. Step 4: Simplify right side
    2,092,850.40x = 3,228,981,028,125.12
  5. Step 5: Solve for x
    x = 3,228,981,028,125.12/2,092,850.40
  6. Step 6: Final answer
    x = 1,542,862.80

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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.