Home / 2,177,022.20-3,264,366.90-913,422.20

Finding the Fourth Proportional to 2,177,022.20, 3,264,366.90 and 913,422.20

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Solution

The fourth proportional to 2,177,022.20, 3,264,366.90 and 913,422.20 is: 1,369,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,022.20 : 3,264,366.90 = 913,422.20 : x
  2. Step 2: Convert to fraction form
    2,177,022.20/3,264,366.90 = 913,422.20/x
  3. Step 3: Cross multiply
    2,177,022.20x = 3,264,366.90 × 913,422.20
  4. Step 4: Simplify right side
    2,177,022.20x = 2,981,745,195,405.18
  5. Step 5: Solve for x
    x = 2,981,745,195,405.18/2,177,022.20
  6. Step 6: Final answer
    x = 1,369,643.91

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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.