Home / 2,917,112.40-4,375,668.60-787,193.10

Finding the Fourth Proportional to 2,917,112.40, 4,375,668.60 and 787,193.10

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Solution

The fourth proportional to 2,917,112.40, 4,375,668.60 and 787,193.10 is: 1,180,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,112.40 : 4,375,668.60 = 787,193.10 : x
  2. Step 2: Convert to fraction form
    2,917,112.40/4,375,668.60 = 787,193.10/x
  3. Step 3: Cross multiply
    2,917,112.40x = 4,375,668.60 × 787,193.10
  4. Step 4: Simplify right side
    2,917,112.40x = 3,444,496,129,806.66
  5. Step 5: Solve for x
    x = 3,444,496,129,806.66/2,917,112.40
  6. Step 6: Final answer
    x = 1,180,789.65

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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.