Home / 5,204,855.86-7,807,589.91-2,009,998.78

Finding the Fourth Proportional to 5,204,855.86, 7,807,589.91 and 2,009,998.78

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Solution

The fourth proportional to 5,204,855.86, 7,807,589.91 and 2,009,998.78 is: 3,015,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204,855.86 : 7,807,589.91 = 2,009,998.78 : x
  2. Step 2: Convert to fraction form
    5,204,855.86/7,807,589.91 = 2,009,998.78/x
  3. Step 3: Cross multiply
    5,204,855.86x = 7,807,589.91 × 2,009,998.78
  4. Step 4: Simplify right side
    5,204,855.86x = 15,693,246,193,840.31
  5. Step 5: Solve for x
    x = 15,693,246,193,840.31/5,204,855.86
  6. Step 6: Final answer
    x = 3,015,116.39

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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.