Home / 2,978,563.56-4,469,711.56-1,205,635.56

Finding the Fourth Proportional to 2,978,563.56, 4,469,711.56 and 1,205,635.56

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Solution

The fourth proportional to 2,978,563.56, 4,469,711.56 and 1,205,635.56 is: 1,809,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,563.56 : 4,469,711.56 = 1,205,635.56 : x
  2. Step 2: Convert to fraction form
    2,978,563.56/4,469,711.56 = 1,205,635.56/x
  3. Step 3: Cross multiply
    2,978,563.56x = 4,469,711.56 × 1,205,635.56
  4. Step 4: Simplify right side
    2,978,563.56x = 5,388,843,199,679.07
  5. Step 5: Solve for x
    x = 5,388,843,199,679.07/2,978,563.56
  6. Step 6: Final answer
    x = 1,809,208.73

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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.