Home / 3,874,467.21-5,346,630.56-2,131,973.69

Finding the Fourth Proportional to 3,874,467.21, 5,346,630.56 and 2,131,973.69

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Solution

The fourth proportional to 3,874,467.21, 5,346,630.56 and 2,131,973.69 is: 2,942,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,467.21 : 5,346,630.56 = 2,131,973.69 : x
  2. Step 2: Convert to fraction form
    3,874,467.21/5,346,630.56 = 2,131,973.69/x
  3. Step 3: Cross multiply
    3,874,467.21x = 5,346,630.56 × 2,131,973.69
  4. Step 4: Simplify right side
    3,874,467.21x = 11,398,875,646,676.95
  5. Step 5: Solve for x
    x = 11,398,875,646,676.95/3,874,467.21
  6. Step 6: Final answer
    x = 2,942,049.84

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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.