Home / 2,667,896.12-3,999,601.56-2,161,200.62

Finding the Fourth Proportional to 2,667,896.12, 3,999,601.56 and 2,161,200.62

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Solution

The fourth proportional to 2,667,896.12, 3,999,601.56 and 2,161,200.62 is: 3,239,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,896.12 : 3,999,601.56 = 2,161,200.62 : x
  2. Step 2: Convert to fraction form
    2,667,896.12/3,999,601.56 = 2,161,200.62/x
  3. Step 3: Cross multiply
    2,667,896.12x = 3,999,601.56 × 2,161,200.62
  4. Step 4: Simplify right side
    2,667,896.12x = 8,643,941,371,224.97
  5. Step 5: Solve for x
    x = 8,643,941,371,224.97/2,667,896.12
  6. Step 6: Final answer
    x = 3,239,984.24

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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.