Home / 1,998,008.80-2,997,013.20-1,324,850.20

Finding the Fourth Proportional to 1,998,008.80, 2,997,013.20 and 1,324,850.20

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Solution

The fourth proportional to 1,998,008.80, 2,997,013.20 and 1,324,850.20 is: 1,987,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,008.80 : 2,997,013.20 = 1,324,850.20 : x
  2. Step 2: Convert to fraction form
    1,998,008.80/2,997,013.20 = 1,324,850.20/x
  3. Step 3: Cross multiply
    1,998,008.80x = 2,997,013.20 × 1,324,850.20
  4. Step 4: Simplify right side
    1,998,008.80x = 3,970,593,537,422.64
  5. Step 5: Solve for x
    x = 3,970,593,537,422.64/1,998,008.80
  6. Step 6: Final answer
    x = 1,987,275.30

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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.