Home / 3,934,999.45-5,904,214.55-1,378,048.65

Finding the Fourth Proportional to 3,934,999.45, 5,904,214.55 and 1,378,048.65

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Solution

The fourth proportional to 3,934,999.45, 5,904,214.55 and 1,378,048.65 is: 2,067,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,999.45 : 5,904,214.55 = 1,378,048.65 : x
  2. Step 2: Convert to fraction form
    3,934,999.45/5,904,214.55 = 1,378,048.65/x
  3. Step 3: Cross multiply
    3,934,999.45x = 5,904,214.55 × 1,378,048.65
  4. Step 4: Simplify right side
    3,934,999.45x = 8,136,294,910,356.10
  5. Step 5: Solve for x
    x = 8,136,294,910,356.10/3,934,999.45
  6. Step 6: Final answer
    x = 2,067,673.71

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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.