Home / 2,183,363.28-3,275,686.93-646,397.78

Finding the Fourth Proportional to 2,183,363.28, 3,275,686.93 and 646,397.78

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Solution

The fourth proportional to 2,183,363.28, 3,275,686.93 and 646,397.78 is: 969,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,363.28 : 3,275,686.93 = 646,397.78 : x
  2. Step 2: Convert to fraction form
    2,183,363.28/3,275,686.93 = 646,397.78/x
  3. Step 3: Cross multiply
    2,183,363.28x = 3,275,686.93 × 646,397.78
  4. Step 4: Simplify right side
    2,183,363.28x = 2,117,396,759,527.02
  5. Step 5: Solve for x
    x = 2,117,396,759,527.02/2,183,363.28
  6. Step 6: Final answer
    x = 969,786.74

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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.