Home / 2,778,115.70-4,167,334.83-1,072,268.48

Finding the Fourth Proportional to 2,778,115.70, 4,167,334.83 and 1,072,268.48

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Solution

The fourth proportional to 2,778,115.70, 4,167,334.83 and 1,072,268.48 is: 1,608,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,115.70 : 4,167,334.83 = 1,072,268.48 : x
  2. Step 2: Convert to fraction form
    2,778,115.70/4,167,334.83 = 1,072,268.48/x
  3. Step 3: Cross multiply
    2,778,115.70x = 4,167,334.83 × 1,072,268.48
  4. Step 4: Simplify right side
    2,778,115.70x = 4,468,501,783,815.16
  5. Step 5: Solve for x
    x = 4,468,501,783,815.16/2,778,115.70
  6. Step 6: Final answer
    x = 1,608,464.97

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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.