Home / 2,941,144.32-4,412,023.12-811,228.80

Finding the Fourth Proportional to 2,941,144.32, 4,412,023.12 and 811,228.80

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Solution

The fourth proportional to 2,941,144.32, 4,412,023.12 and 811,228.80 is: 1,216,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,144.32 : 4,412,023.12 = 811,228.80 : x
  2. Step 2: Convert to fraction form
    2,941,144.32/4,412,023.12 = 811,228.80/x
  3. Step 3: Cross multiply
    2,941,144.32x = 4,412,023.12 × 811,228.80
  4. Step 4: Simplify right side
    2,941,144.32x = 3,579,160,221,209.86
  5. Step 5: Solve for x
    x = 3,579,160,221,209.86/2,941,144.32
  6. Step 6: Final answer
    x = 1,216,927.78

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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.