Home / 6,519,786.90-8,998,241.55-3,906,394.80

Finding the Fourth Proportional to 6,519,786.90, 8,998,241.55 and 3,906,394.80

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Solution

The fourth proportional to 6,519,786.90, 8,998,241.55 and 3,906,394.80 is: 5,391,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,786.90 : 8,998,241.55 = 3,906,394.80 : x
  2. Step 2: Convert to fraction form
    6,519,786.90/8,998,241.55 = 3,906,394.80/x
  3. Step 3: Cross multiply
    6,519,786.90x = 8,998,241.55 × 3,906,394.80
  4. Step 4: Simplify right side
    6,519,786.90x = 35,150,683,973,645.03
  5. Step 5: Solve for x
    x = 35,150,683,973,645.03/6,519,786.90
  6. Step 6: Final answer
    x = 5,391,385.41

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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.