Home / 3,494,620.68-5,242,679.40-1,979,019.96

Finding the Fourth Proportional to 3,494,620.68, 5,242,679.40 and 1,979,019.96

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Solution

The fourth proportional to 3,494,620.68, 5,242,679.40 and 1,979,019.96 is: 2,968,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494,620.68 : 5,242,679.40 = 1,979,019.96 : x
  2. Step 2: Convert to fraction form
    3,494,620.68/5,242,679.40 = 1,979,019.96/x
  3. Step 3: Cross multiply
    3,494,620.68x = 5,242,679.40 × 1,979,019.96
  4. Step 4: Simplify right side
    3,494,620.68x = 10,375,367,176,480.82
  5. Step 5: Solve for x
    x = 10,375,367,176,480.82/3,494,620.68
  6. Step 6: Final answer
    x = 2,968,953.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.