Home / 5,131,119.70-7,081,696.38-2,955,239.38

Finding the Fourth Proportional to 5,131,119.70, 7,081,696.38 and 2,955,239.38

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Solution

The fourth proportional to 5,131,119.70, 7,081,696.38 and 2,955,239.38 is: 4,078,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,119.70 : 7,081,696.38 = 2,955,239.38 : x
  2. Step 2: Convert to fraction form
    5,131,119.70/7,081,696.38 = 2,955,239.38/x
  3. Step 3: Cross multiply
    5,131,119.70x = 7,081,696.38 × 2,955,239.38
  4. Step 4: Simplify right side
    5,131,119.70x = 20,928,108,019,379.44
  5. Step 5: Solve for x
    x = 20,928,108,019,379.44/5,131,119.70
  6. Step 6: Final answer
    x = 4,078,662.99

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1.5x scale

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.