Home / 3,910,131.36-5,866,115.04-1,214,317.44

Finding the Fourth Proportional to 3,910,131.36, 5,866,115.04 and 1,214,317.44

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Solution

The fourth proportional to 3,910,131.36, 5,866,115.04 and 1,214,317.44 is: 1,821,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,131.36 : 5,866,115.04 = 1,214,317.44 : x
  2. Step 2: Convert to fraction form
    3,910,131.36/5,866,115.04 = 1,214,317.44/x
  3. Step 3: Cross multiply
    3,910,131.36x = 5,866,115.04 × 1,214,317.44
  4. Step 4: Simplify right side
    3,910,131.36x = 7,123,325,798,118.30
  5. Step 5: Solve for x
    x = 7,123,325,798,118.30/3,910,131.36
  6. Step 6: Final answer
    x = 1,821,761.25

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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.