Home / 2,767,221.60-4,153,942.80-2,138,920.80

Finding the Fourth Proportional to 2,767,221.60, 4,153,942.80 and 2,138,920.80

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Solution

The fourth proportional to 2,767,221.60, 4,153,942.80 and 2,138,920.80 is: 3,210,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,221.60 : 4,153,942.80 = 2,138,920.80 : x
  2. Step 2: Convert to fraction form
    2,767,221.60/4,153,942.80 = 2,138,920.80/x
  3. Step 3: Cross multiply
    2,767,221.60x = 4,153,942.80 × 2,138,920.80
  4. Step 4: Simplify right side
    2,767,221.60x = 8,884,954,656,930.24
  5. Step 5: Solve for x
    x = 8,884,954,656,930.24/2,767,221.60
  6. Step 6: Final answer
    x = 3,210,785.38

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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.