Home / 3,285,834.56-4,532,559.36-1,978,177.04

Finding the Fourth Proportional to 3,285,834.56, 4,532,559.36 and 1,978,177.04

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Solution

The fourth proportional to 3,285,834.56, 4,532,559.36 and 1,978,177.04 is: 2,728,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285,834.56 : 4,532,559.36 = 1,978,177.04 : x
  2. Step 2: Convert to fraction form
    3,285,834.56/4,532,559.36 = 1,978,177.04/x
  3. Step 3: Cross multiply
    3,285,834.56x = 4,532,559.36 × 1,978,177.04
  4. Step 4: Simplify right side
    3,285,834.56x = 8,966,204,858,389.10
  5. Step 5: Solve for x
    x = 8,966,204,858,389.10/3,285,834.56
  6. Step 6: Final answer
    x = 2,728,745.07

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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.