Home / 3,936,919.56-5,432,949.06-2,126,083.56

Finding the Fourth Proportional to 3,936,919.56, 5,432,949.06 and 2,126,083.56

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Solution

The fourth proportional to 3,936,919.56, 5,432,949.06 and 2,126,083.56 is: 2,933,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,919.56 : 5,432,949.06 = 2,126,083.56 : x
  2. Step 2: Convert to fraction form
    3,936,919.56/5,432,949.06 = 2,126,083.56/x
  3. Step 3: Cross multiply
    3,936,919.56x = 5,432,949.06 × 2,126,083.56
  4. Step 4: Simplify right side
    3,936,919.56x = 11,550,903,678,783.45
  5. Step 5: Solve for x
    x = 11,550,903,678,783.45/3,936,919.56
  6. Step 6: Final answer
    x = 2,933,995.35

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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.