Home / 3,949,524.74-5,450,342.81-2,138,688.74

Finding the Fourth Proportional to 3,949,524.74, 5,450,342.81 and 2,138,688.74

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Solution

The fourth proportional to 3,949,524.74, 5,450,342.81 and 2,138,688.74 is: 2,951,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,524.74 : 5,450,342.81 = 2,138,688.74 : x
  2. Step 2: Convert to fraction form
    3,949,524.74/5,450,342.81 = 2,138,688.74/x
  3. Step 3: Cross multiply
    3,949,524.74x = 5,450,342.81 × 2,138,688.74
  4. Step 4: Simplify right side
    3,949,524.74x = 11,656,586,758,941.80
  5. Step 5: Solve for x
    x = 11,656,586,758,941.80/3,949,524.74
  6. Step 6: Final answer
    x = 2,951,389.73

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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.