Home / 2,141,205.75-3,210,791.58-1,242,922.77

Finding the Fourth Proportional to 2,141,205.75, 3,210,791.58 and 1,242,922.77

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Solution

The fourth proportional to 2,141,205.75, 3,210,791.58 and 1,242,922.77 is: 1,863,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,205.75 : 3,210,791.58 = 1,242,922.77 : x
  2. Step 2: Convert to fraction form
    2,141,205.75/3,210,791.58 = 1,242,922.77/x
  3. Step 3: Cross multiply
    2,141,205.75x = 3,210,791.58 × 1,242,922.77
  4. Step 4: Simplify right side
    2,141,205.75x = 3,990,765,964,506.28
  5. Step 5: Solve for x
    x = 3,990,765,964,506.28/2,141,205.75
  6. Step 6: Final answer
    x = 1,863,793.78

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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.