Home / 3,942,691.68-5,913,145.62-1,810,726.32

Finding the Fourth Proportional to 3,942,691.68, 5,913,145.62 and 1,810,726.32

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Solution

The fourth proportional to 3,942,691.68, 5,913,145.62 and 1,810,726.32 is: 2,715,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,691.68 : 5,913,145.62 = 1,810,726.32 : x
  2. Step 2: Convert to fraction form
    3,942,691.68/5,913,145.62 = 1,810,726.32/x
  3. Step 3: Cross multiply
    3,942,691.68x = 5,913,145.62 × 1,810,726.32
  4. Step 4: Simplify right side
    3,942,691.68x = 10,707,088,408,126.72
  5. Step 5: Solve for x
    x = 10,707,088,408,126.72/3,942,691.68
  6. Step 6: Final answer
    x = 2,715,679.86

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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.