Home / 5,134,662.72-7,085,942.76-2,811,653.28

Finding the Fourth Proportional to 5,134,662.72, 7,085,942.76 and 2,811,653.28

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Solution

The fourth proportional to 5,134,662.72, 7,085,942.76 and 2,811,653.28 is: 3,880,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,662.72 : 7,085,942.76 = 2,811,653.28 : x
  2. Step 2: Convert to fraction form
    5,134,662.72/7,085,942.76 = 2,811,653.28/x
  3. Step 3: Cross multiply
    5,134,662.72x = 7,085,942.76 × 2,811,653.28
  4. Step 4: Simplify right side
    5,134,662.72x = 19,923,214,203,046.25
  5. Step 5: Solve for x
    x = 19,923,214,203,046.25/5,134,662.72
  6. Step 6: Final answer
    x = 3,880,140.78

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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.