Home / 2,107,704.04-3,161,657.82-687,758.44

Finding the Fourth Proportional to 2,107,704.04, 3,161,657.82 and 687,758.44

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Solution

The fourth proportional to 2,107,704.04, 3,161,657.82 and 687,758.44 is: 1,031,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,704.04 : 3,161,657.82 = 687,758.44 : x
  2. Step 2: Convert to fraction form
    2,107,704.04/3,161,657.82 = 687,758.44/x
  3. Step 3: Cross multiply
    2,107,704.04x = 3,161,657.82 × 687,758.44
  4. Step 4: Simplify right side
    2,107,704.04x = 2,174,456,850,097.00
  5. Step 5: Solve for x
    x = 2,174,456,850,097.00/2,107,704.04
  6. Step 6: Final answer
    x = 1,031,670.86

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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.