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Finding the Fourth Proportional to 6,463,249.33, 8,919,683.13 and 3,562,633.66

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Solution

The fourth proportional to 6,463,249.33, 8,919,683.13 and 3,562,633.66 is: 4,916,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,249.33 : 8,919,683.13 = 3,562,633.66 : x
  2. Step 2: Convert to fraction form
    6,463,249.33/8,919,683.13 = 3,562,633.66/x
  3. Step 3: Cross multiply
    6,463,249.33x = 8,919,683.13 × 3,562,633.66
  4. Step 4: Simplify right side
    6,463,249.33x = 31,777,563,355,472.16
  5. Step 5: Solve for x
    x = 31,777,563,355,472.16/6,463,249.33
  6. Step 6: Final answer
    x = 4,916,654.42

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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.