Home / 3,194,428.86-4,408,698.78-1,818,107.64

Finding the Fourth Proportional to 3,194,428.86, 4,408,698.78 and 1,818,107.64

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Solution

The fourth proportional to 3,194,428.86, 4,408,698.78 and 1,818,107.64 is: 2,509,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194,428.86 : 4,408,698.78 = 1,818,107.64 : x
  2. Step 2: Convert to fraction form
    3,194,428.86/4,408,698.78 = 1,818,107.64/x
  3. Step 3: Cross multiply
    3,194,428.86x = 4,408,698.78 × 1,818,107.64
  4. Step 4: Simplify right side
    3,194,428.86x = 8,015,488,934,376.68
  5. Step 5: Solve for x
    x = 8,015,488,934,376.68/3,194,428.86
  6. Step 6: Final answer
    x = 2,509,208.78

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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.