Home / 2,172,948.88-3,258,329.82-752,623.60

Finding the Fourth Proportional to 2,172,948.88, 3,258,329.82 and 752,623.60

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Solution

The fourth proportional to 2,172,948.88, 3,258,329.82 and 752,623.60 is: 1,128,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,948.88 : 3,258,329.82 = 752,623.60 : x
  2. Step 2: Convert to fraction form
    2,172,948.88/3,258,329.82 = 752,623.60/x
  3. Step 3: Cross multiply
    2,172,948.88x = 3,258,329.82 × 752,623.60
  4. Step 4: Simplify right side
    2,172,948.88x = 2,452,295,919,115.75
  5. Step 5: Solve for x
    x = 2,452,295,919,115.75/2,172,948.88
  6. Step 6: Final answer
    x = 1,128,556.65

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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.