Home / 3,913,778.44-5,401,249.86-2,195,000.56

Finding the Fourth Proportional to 3,913,778.44, 5,401,249.86 and 2,195,000.56

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Solution

The fourth proportional to 3,913,778.44, 5,401,249.86 and 2,195,000.56 is: 3,029,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,778.44 : 5,401,249.86 = 2,195,000.56 : x
  2. Step 2: Convert to fraction form
    3,913,778.44/5,401,249.86 = 2,195,000.56/x
  3. Step 3: Cross multiply
    3,913,778.44x = 5,401,249.86 × 2,195,000.56
  4. Step 4: Simplify right side
    3,913,778.44x = 11,855,746,467,399.92
  5. Step 5: Solve for x
    x = 11,855,746,467,399.92/3,913,778.44
  6. Step 6: Final answer
    x = 3,029,232.91

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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.