Home / 2,652,693.78-3,979,035.69-831,198.16

Finding the Fourth Proportional to 2,652,693.78, 3,979,035.69 and 831,198.16

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Solution

The fourth proportional to 2,652,693.78, 3,979,035.69 and 831,198.16 is: 1,246,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,693.78 : 3,979,035.69 = 831,198.16 : x
  2. Step 2: Convert to fraction form
    2,652,693.78/3,979,035.69 = 831,198.16/x
  3. Step 3: Cross multiply
    2,652,693.78x = 3,979,035.69 × 831,198.16
  4. Step 4: Simplify right side
    2,652,693.78x = 3,307,367,144,102.33
  5. Step 5: Solve for x
    x = 3,307,367,144,102.33/2,652,693.78
  6. Step 6: Final answer
    x = 1,246,795.68

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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.