Home / 3,485,494.82-5,223,788.71-2,811,893.78

Finding the Fourth Proportional to 3,485,494.82, 5,223,788.71 and 2,811,893.78

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Solution

The fourth proportional to 3,485,494.82, 5,223,788.71 and 2,811,893.78 is: 4,214,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,494.82 : 5,223,788.71 = 2,811,893.78 : x
  2. Step 2: Convert to fraction form
    3,485,494.82/5,223,788.71 = 2,811,893.78/x
  3. Step 3: Cross multiply
    3,485,494.82x = 5,223,788.71 × 2,811,893.78
  4. Step 4: Simplify right side
    3,485,494.82x = 14,688,738,981,683.22
  5. Step 5: Solve for x
    x = 14,688,738,981,683.22/3,485,494.82
  6. Step 6: Final answer
    x = 4,214,247.83

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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.