Home / 2,080,246.55-3,120,661.43-817,780.55

Finding the Fourth Proportional to 2,080,246.55, 3,120,661.43 and 817,780.55

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Solution

The fourth proportional to 2,080,246.55, 3,120,661.43 and 817,780.55 is: 1,226,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,246.55 : 3,120,661.43 = 817,780.55 : x
  2. Step 2: Convert to fraction form
    2,080,246.55/3,120,661.43 = 817,780.55/x
  3. Step 3: Cross multiply
    2,080,246.55x = 3,120,661.43 × 817,780.55
  4. Step 4: Simplify right side
    2,080,246.55x = 2,552,016,216,500.28
  5. Step 5: Solve for x
    x = 2,552,016,216,500.28/2,080,246.55
  6. Step 6: Final answer
    x = 1,226,785.46

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1.5x scale

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.