Home / 2,785,881.60-4,172,601.60-2,149,804.80

Finding the Fourth Proportional to 2,785,881.60, 4,172,601.60 and 2,149,804.80

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Solution

The fourth proportional to 2,785,881.60, 4,172,601.60 and 2,149,804.80 is: 3,219,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,881.60 : 4,172,601.60 = 2,149,804.80 : x
  2. Step 2: Convert to fraction form
    2,785,881.60/4,172,601.60 = 2,149,804.80/x
  3. Step 3: Cross multiply
    2,785,881.60x = 4,172,601.60 × 2,149,804.80
  4. Step 4: Simplify right side
    2,785,881.60x = 8,970,278,948,167.68
  5. Step 5: Solve for x
    x = 8,970,278,948,167.68/2,785,881.60
  6. Step 6: Final answer
    x = 3,219,906.74

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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.