Home / 3,929,083.20-5,418,900-2,317,896

Finding the Fourth Proportional to 3,929,083.20, 5,418,900 and 2,317,896

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Solution

The fourth proportional to 3,929,083.20, 5,418,900 and 2,317,896 is: 3,196,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,083.20 : 5,418,900 = 2,317,896 : x
  2. Step 2: Convert to fraction form
    3,929,083.20/5,418,900 = 2,317,896/x
  3. Step 3: Cross multiply
    3,929,083.20x = 5,418,900 × 2,317,896
  4. Step 4: Simplify right side
    3,929,083.20x = 12,560,446,634,400
  5. Step 5: Solve for x
    x = 12,560,446,634,400/3,929,083.20
  6. Step 6: Final answer
    x = 3,196,788.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.