Home / 3,072,249.45-4,237,308.51-1,969,786.17

Finding the Fourth Proportional to 3,072,249.45, 4,237,308.51 and 1,969,786.17

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Solution

The fourth proportional to 3,072,249.45, 4,237,308.51 and 1,969,786.17 is: 2,716,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,249.45 : 4,237,308.51 = 1,969,786.17 : x
  2. Step 2: Convert to fraction form
    3,072,249.45/4,237,308.51 = 1,969,786.17/x
  3. Step 3: Cross multiply
    3,072,249.45x = 4,237,308.51 × 1,969,786.17
  4. Step 4: Simplify right side
    3,072,249.45x = 8,346,591,701,021.31
  5. Step 5: Solve for x
    x = 8,346,591,701,021.31/3,072,249.45
  6. Step 6: Final answer
    x = 2,716,768.88

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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.