Home / 3,931,738.12-5,425,973.22-2,212,969.96

Finding the Fourth Proportional to 3,931,738.12, 5,425,973.22 and 2,212,969.96

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Solution

The fourth proportional to 3,931,738.12, 5,425,973.22 and 2,212,969.96 is: 3,053,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,738.12 : 5,425,973.22 = 2,212,969.96 : x
  2. Step 2: Convert to fraction form
    3,931,738.12/5,425,973.22 = 2,212,969.96/x
  3. Step 3: Cross multiply
    3,931,738.12x = 5,425,973.22 × 2,212,969.96
  4. Step 4: Simplify right side
    3,931,738.12x = 12,007,515,739,624.47
  5. Step 5: Solve for x
    x = 12,007,515,739,624.47/3,931,738.12
  6. Step 6: Final answer
    x = 3,053,996.83

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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.