Home / 3,848,999.66-5,774,781.72-1,290,467.78

Finding the Fourth Proportional to 3,848,999.66, 5,774,781.72 and 1,290,467.78

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Solution

The fourth proportional to 3,848,999.66, 5,774,781.72 and 1,290,467.78 is: 1,936,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,999.66 : 5,774,781.72 = 1,290,467.78 : x
  2. Step 2: Convert to fraction form
    3,848,999.66/5,774,781.72 = 1,290,467.78/x
  3. Step 3: Cross multiply
    3,848,999.66x = 5,774,781.72 × 1,290,467.78
  4. Step 4: Simplify right side
    3,848,999.66x = 7,452,169,746,192.98
  5. Step 5: Solve for x
    x = 7,452,169,746,192.98/3,848,999.66
  6. Step 6: Final answer
    x = 1,936,131.57

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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.