Home / 3,468,190.53-4,786,067.68-1,919,455.22

Finding the Fourth Proportional to 3,468,190.53, 4,786,067.68 and 1,919,455.22

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Solution

The fourth proportional to 3,468,190.53, 4,786,067.68 and 1,919,455.22 is: 2,648,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,190.53 : 4,786,067.68 = 1,919,455.22 : x
  2. Step 2: Convert to fraction form
    3,468,190.53/4,786,067.68 = 1,919,455.22/x
  3. Step 3: Cross multiply
    3,468,190.53x = 4,786,067.68 × 1,919,455.22
  4. Step 4: Simplify right side
    3,468,190.53x = 9,186,642,598,815.82
  5. Step 5: Solve for x
    x = 9,186,642,598,815.82/3,468,190.53
  6. Step 6: Final answer
    x = 2,648,828.70

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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.