Home / 2,155,176.60-3,230,043.30-1,090,512.60

Finding the Fourth Proportional to 2,155,176.60, 3,230,043.30 and 1,090,512.60

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Solution

The fourth proportional to 2,155,176.60, 3,230,043.30 and 1,090,512.60 is: 1,634,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,176.60 : 3,230,043.30 = 1,090,512.60 : x
  2. Step 2: Convert to fraction form
    2,155,176.60/3,230,043.30 = 1,090,512.60/x
  3. Step 3: Cross multiply
    2,155,176.60x = 3,230,043.30 × 1,090,512.60
  4. Step 4: Simplify right side
    2,155,176.60x = 3,522,402,917,195.58
  5. Step 5: Solve for x
    x = 3,522,402,917,195.58/2,155,176.60
  6. Step 6: Final answer
    x = 1,634,391.78

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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.