Home / 3,212,112.30-4,432,721.31-1,761,819.54

Finding the Fourth Proportional to 3,212,112.30, 4,432,721.31 and 1,761,819.54

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Solution

The fourth proportional to 3,212,112.30, 4,432,721.31 and 1,761,819.54 is: 2,431,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,112.30 : 4,432,721.31 = 1,761,819.54 : x
  2. Step 2: Convert to fraction form
    3,212,112.30/4,432,721.31 = 1,761,819.54/x
  3. Step 3: Cross multiply
    3,212,112.30x = 4,432,721.31 × 1,761,819.54
  4. Step 4: Simplify right side
    3,212,112.30x = 7,809,655,019,332.40
  5. Step 5: Solve for x
    x = 7,809,655,019,332.40/3,212,112.30
  6. Step 6: Final answer
    x = 2,431,314.44

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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.