Home / 2,171,190.80-3,256,794.58-908,132.42

Finding the Fourth Proportional to 2,171,190.80, 3,256,794.58 and 908,132.42

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Solution

The fourth proportional to 2,171,190.80, 3,256,794.58 and 908,132.42 is: 1,362,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,190.80 : 3,256,794.58 = 908,132.42 : x
  2. Step 2: Convert to fraction form
    2,171,190.80/3,256,794.58 = 908,132.42/x
  3. Step 3: Cross multiply
    2,171,190.80x = 3,256,794.58 × 908,132.42
  4. Step 4: Simplify right side
    2,171,190.80x = 2,957,600,743,378.28
  5. Step 5: Solve for x
    x = 2,957,600,743,378.28/2,171,190.80
  6. Step 6: Final answer
    x = 1,362,202.14

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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.