Home / 3,379,860.78-5,069,794.82-855,516.03

Finding the Fourth Proportional to 3,379,860.78, 5,069,794.82 and 855,516.03

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Solution

The fourth proportional to 3,379,860.78, 5,069,794.82 and 855,516.03 is: 1,283,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,860.78 : 5,069,794.82 = 855,516.03 : x
  2. Step 2: Convert to fraction form
    3,379,860.78/5,069,794.82 = 855,516.03/x
  3. Step 3: Cross multiply
    3,379,860.78x = 5,069,794.82 × 855,516.03
  4. Step 4: Simplify right side
    3,379,860.78x = 4,337,290,733,043.39
  5. Step 5: Solve for x
    x = 4,337,290,733,043.39/3,379,860.78
  6. Step 6: Final answer
    x = 1,283,274.97

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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.