Home / 3,913,857.28-5,401,162.16-2,194,940.89

Finding the Fourth Proportional to 3,913,857.28, 5,401,162.16 and 2,194,940.89

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Solution

The fourth proportional to 3,913,857.28, 5,401,162.16 and 2,194,940.89 is: 3,029,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,857.28 : 5,401,162.16 = 2,194,940.89 : x
  2. Step 2: Convert to fraction form
    3,913,857.28/5,401,162.16 = 2,194,940.89/x
  3. Step 3: Cross multiply
    3,913,857.28x = 5,401,162.16 × 2,194,940.89
  4. Step 4: Simplify right side
    3,913,857.28x = 11,855,231,678,504.72
  5. Step 5: Solve for x
    x = 11,855,231,678,504.72/3,913,857.28
  6. Step 6: Final answer
    x = 3,029,040.36

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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.