Home / 5,348,620.20-8,028,179.10-2,655,985.80

Finding the Fourth Proportional to 5,348,620.20, 8,028,179.10 and 2,655,985.80

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Solution

The fourth proportional to 5,348,620.20, 8,028,179.10 and 2,655,985.80 is: 3,986,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,620.20 : 8,028,179.10 = 2,655,985.80 : x
  2. Step 2: Convert to fraction form
    5,348,620.20/8,028,179.10 = 2,655,985.80/x
  3. Step 3: Cross multiply
    5,348,620.20x = 8,028,179.10 × 2,655,985.80
  4. Step 4: Simplify right side
    5,348,620.20x = 21,322,729,689,456.78
  5. Step 5: Solve for x
    x = 21,322,729,689,456.78/5,348,620.20
  6. Step 6: Final answer
    x = 3,986,585.12

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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.