Home / 3,212,040.20-4,432,621.88-1,761,747.56

Finding the Fourth Proportional to 3,212,040.20, 4,432,621.88 and 1,761,747.56

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Solution

The fourth proportional to 3,212,040.20, 4,432,621.88 and 1,761,747.56 is: 2,431,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,040.20 : 4,432,621.88 = 1,761,747.56 : x
  2. Step 2: Convert to fraction form
    3,212,040.20/4,432,621.88 = 1,761,747.56/x
  3. Step 3: Cross multiply
    3,212,040.20x = 4,432,621.88 × 1,761,747.56
  4. Step 4: Simplify right side
    3,212,040.20x = 7,809,160,750,520.77
  5. Step 5: Solve for x
    x = 7,809,160,750,520.77/3,212,040.20
  6. Step 6: Final answer
    x = 2,431,215.14

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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.