Home / 2,081,822.40-3,120,400.80-1,070,553.60

Finding the Fourth Proportional to 2,081,822.40, 3,120,400.80 and 1,070,553.60

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Solution

The fourth proportional to 2,081,822.40, 3,120,400.80 and 1,070,553.60 is: 1,604,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,822.40 : 3,120,400.80 = 1,070,553.60 : x
  2. Step 2: Convert to fraction form
    2,081,822.40/3,120,400.80 = 1,070,553.60/x
  3. Step 3: Cross multiply
    2,081,822.40x = 3,120,400.80 × 1,070,553.60
  4. Step 4: Simplify right side
    2,081,822.40x = 3,340,556,309,882.88
  5. Step 5: Solve for x
    x = 3,340,556,309,882.88/2,081,822.40
  6. Step 6: Final answer
    x = 1,604,630.78

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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.