Home / 5,135,368.41-7,086,721.86-2,843,479.89

Finding the Fourth Proportional to 5,135,368.41, 7,086,721.86 and 2,843,479.89

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Solution

The fourth proportional to 5,135,368.41, 7,086,721.86 and 2,843,479.89 is: 3,923,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,368.41 : 7,086,721.86 = 2,843,479.89 : x
  2. Step 2: Convert to fraction form
    5,135,368.41/7,086,721.86 = 2,843,479.89/x
  3. Step 3: Cross multiply
    5,135,368.41x = 7,086,721.86 × 2,843,479.89
  4. Step 4: Simplify right side
    5,135,368.41x = 20,150,951,094,933.40
  5. Step 5: Solve for x
    x = 20,150,951,094,933.40/5,135,368.41
  6. Step 6: Final answer
    x = 3,923,954.33

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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.