Home / 2,169,933.78-3,255,441.84-1,531,484.58

Finding the Fourth Proportional to 2,169,933.78, 3,255,441.84 and 1,531,484.58

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Solution

The fourth proportional to 2,169,933.78, 3,255,441.84 and 1,531,484.58 is: 2,297,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,933.78 : 3,255,441.84 = 1,531,484.58 : x
  2. Step 2: Convert to fraction form
    2,169,933.78/3,255,441.84 = 1,531,484.58/x
  3. Step 3: Cross multiply
    2,169,933.78x = 3,255,441.84 × 1,531,484.58
  4. Step 4: Simplify right side
    2,169,933.78x = 4,985,658,979,046.83
  5. Step 5: Solve for x
    x = 4,985,658,979,046.83/2,169,933.78
  6. Step 6: Final answer
    x = 2,297,608.81

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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.