Home / 2,197,110.80-3,297,610.20-1,297,427.60

Finding the Fourth Proportional to 2,197,110.80, 3,297,610.20 and 1,297,427.60

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Solution

The fourth proportional to 2,197,110.80, 3,297,610.20 and 1,297,427.60 is: 1,947,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,110.80 : 3,297,610.20 = 1,297,427.60 : x
  2. Step 2: Convert to fraction form
    2,197,110.80/3,297,610.20 = 1,297,427.60/x
  3. Step 3: Cross multiply
    2,197,110.80x = 3,297,610.20 × 1,297,427.60
  4. Step 4: Simplify right side
    2,197,110.80x = 4,278,410,487,521.52
  5. Step 5: Solve for x
    x = 4,278,410,487,521.52/2,197,110.80
  6. Step 6: Final answer
    x = 1,947,289.36

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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.