Home / 3,922,317.46-5,412,936.85-2,180,021.59

Finding the Fourth Proportional to 3,922,317.46, 5,412,936.85 and 2,180,021.59

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Solution

The fourth proportional to 3,922,317.46, 5,412,936.85 and 2,180,021.59 is: 3,008,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,317.46 : 5,412,936.85 = 2,180,021.59 : x
  2. Step 2: Convert to fraction form
    3,922,317.46/5,412,936.85 = 2,180,021.59/x
  3. Step 3: Cross multiply
    3,922,317.46x = 5,412,936.85 × 2,180,021.59
  4. Step 4: Simplify right side
    3,922,317.46x = 11,800,319,211,885.33
  5. Step 5: Solve for x
    x = 11,800,319,211,885.33/3,922,317.46
  6. Step 6: Final answer
    x = 3,008,506.92

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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.