Home / 2,155,000.60-3,232,500.90-1,198,406.80

Finding the Fourth Proportional to 2,155,000.60, 3,232,500.90 and 1,198,406.80

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Solution

The fourth proportional to 2,155,000.60, 3,232,500.90 and 1,198,406.80 is: 1,797,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,000.60 : 3,232,500.90 = 1,198,406.80 : x
  2. Step 2: Convert to fraction form
    2,155,000.60/3,232,500.90 = 1,198,406.80/x
  3. Step 3: Cross multiply
    2,155,000.60x = 3,232,500.90 × 1,198,406.80
  4. Step 4: Simplify right side
    2,155,000.60x = 3,873,851,059,566.12
  5. Step 5: Solve for x
    x = 3,873,851,059,566.12/2,155,000.60
  6. Step 6: Final answer
    x = 1,797,610.20

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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.