Home / 3,128,015.70-4,692,023.55-2,456,169.30

Finding the Fourth Proportional to 3,128,015.70, 4,692,023.55 and 2,456,169.30

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Solution

The fourth proportional to 3,128,015.70, 4,692,023.55 and 2,456,169.30 is: 3,684,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,015.70 : 4,692,023.55 = 2,456,169.30 : x
  2. Step 2: Convert to fraction form
    3,128,015.70/4,692,023.55 = 2,456,169.30/x
  3. Step 3: Cross multiply
    3,128,015.70x = 4,692,023.55 × 2,456,169.30
  4. Step 4: Simplify right side
    3,128,015.70x = 11,524,404,198,387.01
  5. Step 5: Solve for x
    x = 11,524,404,198,387.01/3,128,015.70
  6. Step 6: Final answer
    x = 3,684,253.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.