Home / 5,387,865.72-7,443,351.84-3,531,687.06

Finding the Fourth Proportional to 5,387,865.72, 7,443,351.84 and 3,531,687.06

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Solution

The fourth proportional to 5,387,865.72, 7,443,351.84 and 3,531,687.06 is: 4,879,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,865.72 : 7,443,351.84 = 3,531,687.06 : x
  2. Step 2: Convert to fraction form
    5,387,865.72/7,443,351.84 = 3,531,687.06/x
  3. Step 3: Cross multiply
    5,387,865.72x = 7,443,351.84 × 3,531,687.06
  4. Step 4: Simplify right side
    5,387,865.72x = 26,287,589,376,355.19
  5. Step 5: Solve for x
    x = 26,287,589,376,355.19/5,387,865.72
  6. Step 6: Final answer
    x = 4,879,035.73

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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.