Home / 3,897,204.46-5,378,255.42-2,131,206.58

Finding the Fourth Proportional to 3,897,204.46, 5,378,255.42 and 2,131,206.58

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Solution

The fourth proportional to 3,897,204.46, 5,378,255.42 and 2,131,206.58 is: 2,941,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,204.46 : 5,378,255.42 = 2,131,206.58 : x
  2. Step 2: Convert to fraction form
    3,897,204.46/5,378,255.42 = 2,131,206.58/x
  3. Step 3: Cross multiply
    3,897,204.46x = 5,378,255.42 × 2,131,206.58
  4. Step 4: Simplify right side
    3,897,204.46x = 11,462,173,340,024.66
  5. Step 5: Solve for x
    x = 11,462,173,340,024.66/3,897,204.46
  6. Step 6: Final answer
    x = 2,941,127.02

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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.