Home / 6,126,408.09-9,190,982.66-1,866,909.69

Finding the Fourth Proportional to 6,126,408.09, 9,190,982.66 and 1,866,909.69

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Solution

The fourth proportional to 6,126,408.09, 9,190,982.66 and 1,866,909.69 is: 2,800,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,408.09 : 9,190,982.66 = 1,866,909.69 : x
  2. Step 2: Convert to fraction form
    6,126,408.09/9,190,982.66 = 1,866,909.69/x
  3. Step 3: Cross multiply
    6,126,408.09x = 9,190,982.66 × 1,866,909.69
  4. Step 4: Simplify right side
    6,126,408.09x = 17,158,734,579,241.43
  5. Step 5: Solve for x
    x = 17,158,734,579,241.43/6,126,408.09
  6. Step 6: Final answer
    x = 2,800,782.18

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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.