Home / 2,198,233.52-3,296,969.56-661,206.68

Finding the Fourth Proportional to 2,198,233.52, 3,296,969.56 and 661,206.68

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Solution

The fourth proportional to 2,198,233.52, 3,296,969.56 and 661,206.68 is: 991,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,233.52 : 3,296,969.56 = 661,206.68 : x
  2. Step 2: Convert to fraction form
    2,198,233.52/3,296,969.56 = 661,206.68/x
  3. Step 3: Cross multiply
    2,198,233.52x = 3,296,969.56 × 661,206.68
  4. Step 4: Simplify right side
    2,198,233.52x = 2,179,978,296,828.66
  5. Step 5: Solve for x
    x = 2,179,978,296,828.66/2,198,233.52
  6. Step 6: Final answer
    x = 991,695.50

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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.