Home / 2,280,469.92-3,147,380.64-1,313,412

Finding the Fourth Proportional to 2,280,469.92, 3,147,380.64 and 1,313,412

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Solution

The fourth proportional to 2,280,469.92, 3,147,380.64 and 1,313,412 is: 1,812,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,469.92 : 3,147,380.64 = 1,313,412 : x
  2. Step 2: Convert to fraction form
    2,280,469.92/3,147,380.64 = 1,313,412/x
  3. Step 3: Cross multiply
    2,280,469.92x = 3,147,380.64 × 1,313,412
  4. Step 4: Simplify right side
    2,280,469.92x = 4,133,807,501,143.68
  5. Step 5: Solve for x
    x = 4,133,807,501,143.68/2,280,469.92
  6. Step 6: Final answer
    x = 1,812,699.86

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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.