Home / 6,666,249.78-9,997,310.90-2,405,878.74

Finding the Fourth Proportional to 6,666,249.78, 9,997,310.90 and 2,405,878.74

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Solution

The fourth proportional to 6,666,249.78, 9,997,310.90 and 2,405,878.74 is: 3,608,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,249.78 : 9,997,310.90 = 2,405,878.74 : x
  2. Step 2: Convert to fraction form
    6,666,249.78/9,997,310.90 = 2,405,878.74/x
  3. Step 3: Cross multiply
    6,666,249.78x = 9,997,310.90 × 2,405,878.74
  4. Step 4: Simplify right side
    6,666,249.78x = 24,052,317,751,480.27
  5. Step 5: Solve for x
    x = 24,052,317,751,480.27/6,666,249.78
  6. Step 6: Final answer
    x = 3,608,073.29

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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.