Home / 2,687,992.40-4,032,334.20-1,340,843.60

Finding the Fourth Proportional to 2,687,992.40, 4,032,334.20 and 1,340,843.60

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Solution

The fourth proportional to 2,687,992.40, 4,032,334.20 and 1,340,843.60 is: 2,011,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,992.40 : 4,032,334.20 = 1,340,843.60 : x
  2. Step 2: Convert to fraction form
    2,687,992.40/4,032,334.20 = 1,340,843.60/x
  3. Step 3: Cross multiply
    2,687,992.40x = 4,032,334.20 × 1,340,843.60
  4. Step 4: Simplify right side
    2,687,992.40x = 5,406,729,505,131.12
  5. Step 5: Solve for x
    x = 5,406,729,505,131.12/2,687,992.40
  6. Step 6: Final answer
    x = 2,011,437.79

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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.