Home / 2,629,891.80-3,944,546.10-2,155,750.20

Finding the Fourth Proportional to 2,629,891.80, 3,944,546.10 and 2,155,750.20

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Solution

The fourth proportional to 2,629,891.80, 3,944,546.10 and 2,155,750.20 is: 3,233,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,891.80 : 3,944,546.10 = 2,155,750.20 : x
  2. Step 2: Convert to fraction form
    2,629,891.80/3,944,546.10 = 2,155,750.20/x
  3. Step 3: Cross multiply
    2,629,891.80x = 3,944,546.10 × 2,155,750.20
  4. Step 4: Simplify right side
    2,629,891.80x = 8,503,456,043,984.22
  5. Step 5: Solve for x
    x = 8,503,456,043,984.22/2,629,891.80
  6. Step 6: Final answer
    x = 3,233,386.27

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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.