Home / 3,935,022.89-5,904,249.71-1,378,072.13

Finding the Fourth Proportional to 3,935,022.89, 5,904,249.71 and 1,378,072.13

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Solution

The fourth proportional to 3,935,022.89, 5,904,249.71 and 1,378,072.13 is: 2,067,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,022.89 : 5,904,249.71 = 1,378,072.13 : x
  2. Step 2: Convert to fraction form
    3,935,022.89/5,904,249.71 = 1,378,072.13/x
  3. Step 3: Cross multiply
    3,935,022.89x = 5,904,249.71 × 1,378,072.13
  4. Step 4: Simplify right side
    3,935,022.89x = 8,136,481,937,499.97
  5. Step 5: Solve for x
    x = 8,136,481,937,499.97/3,935,022.89
  6. Step 6: Final answer
    x = 2,067,708.92

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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.