Home / 2,172,851.10-3,259,260.45-656,531.10

Finding the Fourth Proportional to 2,172,851.10, 3,259,260.45 and 656,531.10

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Solution

The fourth proportional to 2,172,851.10, 3,259,260.45 and 656,531.10 is: 984,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,851.10 : 3,259,260.45 = 656,531.10 : x
  2. Step 2: Convert to fraction form
    2,172,851.10/3,259,260.45 = 656,531.10/x
  3. Step 3: Cross multiply
    2,172,851.10x = 3,259,260.45 × 656,531.10
  4. Step 4: Simplify right side
    2,172,851.10x = 2,139,805,848,425.00
  5. Step 5: Solve for x
    x = 2,139,805,848,425.00/2,172,851.10
  6. Step 6: Final answer
    x = 984,791.76

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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.