Home / 1,972,820.80-2,722,492.48-1,067,402.88

Finding the Fourth Proportional to 1,972,820.80, 2,722,492.48 and 1,067,402.88

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Solution

The fourth proportional to 1,972,820.80, 2,722,492.48 and 1,067,402.88 is: 1,473,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,820.80 : 2,722,492.48 = 1,067,402.88 : x
  2. Step 2: Convert to fraction form
    1,972,820.80/2,722,492.48 = 1,067,402.88/x
  3. Step 3: Cross multiply
    1,972,820.80x = 2,722,492.48 × 1,067,402.88
  4. Step 4: Simplify right side
    1,972,820.80x = 2,905,996,313,930.34
  5. Step 5: Solve for x
    x = 2,905,996,313,930.34/1,972,820.80
  6. Step 6: Final answer
    x = 1,473,015.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.