Home / 2,593,929-3,890,910.78-821,001

Finding the Fourth Proportional to 2,593,929, 3,890,910.78 and 821,001

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Solution

The fourth proportional to 2,593,929, 3,890,910.78 and 821,001 is: 1,231,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593,929 : 3,890,910.78 = 821,001 : x
  2. Step 2: Convert to fraction form
    2,593,929/3,890,910.78 = 821,001/x
  3. Step 3: Cross multiply
    2,593,929x = 3,890,910.78 × 821,001
  4. Step 4: Simplify right side
    2,593,929x = 3,194,441,641,290.78
  5. Step 5: Solve for x
    x = 3,194,441,641,290.78/2,593,929
  6. Step 6: Final answer
    x = 1,231,506.97

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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.