Home / 3,188,072.66-4,783,142.79-1,908,480.83

Finding the Fourth Proportional to 3,188,072.66, 4,783,142.79 and 1,908,480.83

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Solution

The fourth proportional to 3,188,072.66, 4,783,142.79 and 1,908,480.83 is: 2,863,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,072.66 : 4,783,142.79 = 1,908,480.83 : x
  2. Step 2: Convert to fraction form
    3,188,072.66/4,783,142.79 = 1,908,480.83/x
  3. Step 3: Cross multiply
    3,188,072.66x = 4,783,142.79 × 1,908,480.83
  4. Step 4: Simplify right side
    3,188,072.66x = 9,128,536,333,825.57
  5. Step 5: Solve for x
    x = 9,128,536,333,825.57/3,188,072.66
  6. Step 6: Final answer
    x = 2,863,340.11

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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.