Home / 5,113,843.86-7,669,928.64-2,081,087.22

Finding the Fourth Proportional to 5,113,843.86, 7,669,928.64 and 2,081,087.22

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Solution

The fourth proportional to 5,113,843.86, 7,669,928.64 and 2,081,087.22 is: 3,121,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,843.86 : 7,669,928.64 = 2,081,087.22 : x
  2. Step 2: Convert to fraction form
    5,113,843.86/7,669,928.64 = 2,081,087.22/x
  3. Step 3: Cross multiply
    5,113,843.86x = 7,669,928.64 × 2,081,087.22
  4. Step 4: Simplify right side
    5,113,843.86x = 15,961,790,471,015.98
  5. Step 5: Solve for x
    x = 15,961,790,471,015.98/5,113,843.86
  6. Step 6: Final answer
    x = 3,121,290.15

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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.