Home / 5,100,992.20-7,039,141.86-2,923,974.28

Finding the Fourth Proportional to 5,100,992.20, 7,039,141.86 and 2,923,974.28

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Solution

The fourth proportional to 5,100,992.20, 7,039,141.86 and 2,923,974.28 is: 4,034,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,992.20 : 7,039,141.86 = 2,923,974.28 : x
  2. Step 2: Convert to fraction form
    5,100,992.20/7,039,141.86 = 2,923,974.28/x
  3. Step 3: Cross multiply
    5,100,992.20x = 7,039,141.86 × 2,923,974.28
  4. Step 4: Simplify right side
    5,100,992.20x = 20,582,269,751,911.36
  5. Step 5: Solve for x
    x = 20,582,269,751,911.36/5,100,992.20
  6. Step 6: Final answer
    x = 4,034,954.17

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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.