Home / 3,428,968.92-5,143,667.22-904,626.60

Finding the Fourth Proportional to 3,428,968.92, 5,143,667.22 and 904,626.60

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Solution

The fourth proportional to 3,428,968.92, 5,143,667.22 and 904,626.60 is: 1,356,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,968.92 : 5,143,667.22 = 904,626.60 : x
  2. Step 2: Convert to fraction form
    3,428,968.92/5,143,667.22 = 904,626.60/x
  3. Step 3: Cross multiply
    3,428,968.92x = 5,143,667.22 × 904,626.60
  4. Step 4: Simplify right side
    3,428,968.92x = 4,653,098,188,760.05
  5. Step 5: Solve for x
    x = 4,653,098,188,760.05/3,428,968.92
  6. Step 6: Final answer
    x = 1,356,996.32

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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.