Home / 3,145,697.28-4,339,693.44-1,999,163.52

Finding the Fourth Proportional to 3,145,697.28, 4,339,693.44 and 1,999,163.52

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Solution

The fourth proportional to 3,145,697.28, 4,339,693.44 and 1,999,163.52 is: 2,757,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,697.28 : 4,339,693.44 = 1,999,163.52 : x
  2. Step 2: Convert to fraction form
    3,145,697.28/4,339,693.44 = 1,999,163.52/x
  3. Step 3: Cross multiply
    3,145,697.28x = 4,339,693.44 × 1,999,163.52
  4. Step 4: Simplify right side
    3,145,697.28x = 8,675,756,813,231.31
  5. Step 5: Solve for x
    x = 8,675,756,813,231.31/3,145,697.28
  6. Step 6: Final answer
    x = 2,757,975.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.