Home / 1,972,487.28-2,722,005.84-1,101,335.44

Finding the Fourth Proportional to 1,972,487.28, 2,722,005.84 and 1,101,335.44

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Solution

The fourth proportional to 1,972,487.28, 2,722,005.84 and 1,101,335.44 is: 1,519,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,487.28 : 2,722,005.84 = 1,101,335.44 : x
  2. Step 2: Convert to fraction form
    1,972,487.28/2,722,005.84 = 1,101,335.44/x
  3. Step 3: Cross multiply
    1,972,487.28x = 2,722,005.84 × 1,101,335.44
  4. Step 4: Simplify right side
    1,972,487.28x = 2,997,841,499,478.97
  5. Step 5: Solve for x
    x = 2,997,841,499,478.97/1,972,487.28
  6. Step 6: Final answer
    x = 1,519,828.05

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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.