Home / 2,873,115.40-4,309,673.10-979,918.60

Finding the Fourth Proportional to 2,873,115.40, 4,309,673.10 and 979,918.60

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Solution

The fourth proportional to 2,873,115.40, 4,309,673.10 and 979,918.60 is: 1,469,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873,115.40 : 4,309,673.10 = 979,918.60 : x
  2. Step 2: Convert to fraction form
    2,873,115.40/4,309,673.10 = 979,918.60/x
  3. Step 3: Cross multiply
    2,873,115.40x = 4,309,673.10 × 979,918.60
  4. Step 4: Simplify right side
    2,873,115.40x = 4,223,128,830,609.66
  5. Step 5: Solve for x
    x = 4,223,128,830,609.66/2,873,115.40
  6. Step 6: Final answer
    x = 1,469,877.90

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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.