Home / 5,423,839.11-7,483,044.06-3,099,063.78

Finding the Fourth Proportional to 5,423,839.11, 7,483,044.06 and 3,099,063.78

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Solution

The fourth proportional to 5,423,839.11, 7,483,044.06 and 3,099,063.78 is: 4,275,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,839.11 : 7,483,044.06 = 3,099,063.78 : x
  2. Step 2: Convert to fraction form
    5,423,839.11/7,483,044.06 = 3,099,063.78/x
  3. Step 3: Cross multiply
    5,423,839.11x = 7,483,044.06 × 3,099,063.78
  4. Step 4: Simplify right side
    5,423,839.11x = 23,190,430,810,490.14
  5. Step 5: Solve for x
    x = 23,190,430,810,490.14/5,423,839.11
  6. Step 6: Final answer
    x = 4,275,648.73

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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.