Home / 2,825,480.88-4,238,221.23-830,936.88

Finding the Fourth Proportional to 2,825,480.88, 4,238,221.23 and 830,936.88

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Solution

The fourth proportional to 2,825,480.88, 4,238,221.23 and 830,936.88 is: 1,246,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,480.88 : 4,238,221.23 = 830,936.88 : x
  2. Step 2: Convert to fraction form
    2,825,480.88/4,238,221.23 = 830,936.88/x
  3. Step 3: Cross multiply
    2,825,480.88x = 4,238,221.23 × 830,936.88
  4. Step 4: Simplify right side
    2,825,480.88x = 3,521,694,325,605.96
  5. Step 5: Solve for x
    x = 3,521,694,325,605.96/2,825,480.88
  6. Step 6: Final answer
    x = 1,246,405.29

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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.