Home / 3,212,190.86-4,432,811.54-1,988,252.73

Finding the Fourth Proportional to 3,212,190.86, 4,432,811.54 and 1,988,252.73

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Solution

The fourth proportional to 3,212,190.86, 4,432,811.54 and 1,988,252.73 is: 2,743,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,190.86 : 4,432,811.54 = 1,988,252.73 : x
  2. Step 2: Convert to fraction form
    3,212,190.86/4,432,811.54 = 1,988,252.73/x
  3. Step 3: Cross multiply
    3,212,190.86x = 4,432,811.54 × 1,988,252.73
  4. Step 4: Simplify right side
    3,212,190.86x = 8,813,549,636,039.24
  5. Step 5: Solve for x
    x = 8,813,549,636,039.24/3,212,190.86
  6. Step 6: Final answer
    x = 2,743,781.44

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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.