Home / 5,342,851.20-8,019,525.60-2,650,216.80

Finding the Fourth Proportional to 5,342,851.20, 8,019,525.60 and 2,650,216.80

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Solution

The fourth proportional to 5,342,851.20, 8,019,525.60 and 2,650,216.80 is: 3,977,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,851.20 : 8,019,525.60 = 2,650,216.80 : x
  2. Step 2: Convert to fraction form
    5,342,851.20/8,019,525.60 = 2,650,216.80/x
  3. Step 3: Cross multiply
    5,342,851.20x = 8,019,525.60 × 2,650,216.80
  4. Step 4: Simplify right side
    5,342,851.20x = 21,253,481,473,150.08
  5. Step 5: Solve for x
    x = 21,253,481,473,150.08/5,342,851.20
  6. Step 6: Final answer
    x = 3,977,928.76

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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.