Home / 3,928,232.21-5,420,335.52-2,209,020.44

Finding the Fourth Proportional to 3,928,232.21, 5,420,335.52 and 2,209,020.44

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Solution

The fourth proportional to 3,928,232.21, 5,420,335.52 and 2,209,020.44 is: 3,048,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,232.21 : 5,420,335.52 = 2,209,020.44 : x
  2. Step 2: Convert to fraction form
    3,928,232.21/5,420,335.52 = 2,209,020.44/x
  3. Step 3: Cross multiply
    3,928,232.21x = 5,420,335.52 × 2,209,020.44
  4. Step 4: Simplify right side
    3,928,232.21x = 11,973,631,933,758.90
  5. Step 5: Solve for x
    x = 11,973,631,933,758.90/3,928,232.21
  6. Step 6: Final answer
    x = 3,048,096.78

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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.