Home / 2,086,717.20-3,132,408.60-1,615,491.60

Finding the Fourth Proportional to 2,086,717.20, 3,132,408.60 and 1,615,491.60

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Solution

The fourth proportional to 2,086,717.20, 3,132,408.60 and 1,615,491.60 is: 2,425,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,717.20 : 3,132,408.60 = 1,615,491.60 : x
  2. Step 2: Convert to fraction form
    2,086,717.20/3,132,408.60 = 1,615,491.60/x
  3. Step 3: Cross multiply
    2,086,717.20x = 3,132,408.60 × 1,615,491.60
  4. Step 4: Simplify right side
    2,086,717.20x = 5,060,379,781,067.76
  5. Step 5: Solve for x
    x = 5,060,379,781,067.76/2,086,717.20
  6. Step 6: Final answer
    x = 2,425,043.40

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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.