Home / 5,078,039.97-7,007,694.40-2,902,629.83

Finding the Fourth Proportional to 5,078,039.97, 7,007,694.40 and 2,902,629.83

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Solution

The fourth proportional to 5,078,039.97, 7,007,694.40 and 2,902,629.83 is: 4,005,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,039.97 : 7,007,694.40 = 2,902,629.83 : x
  2. Step 2: Convert to fraction form
    5,078,039.97/7,007,694.40 = 2,902,629.83/x
  3. Step 3: Cross multiply
    5,078,039.97x = 7,007,694.40 × 2,902,629.83
  4. Step 4: Simplify right side
    5,078,039.97x = 20,340,742,790,450.80
  5. Step 5: Solve for x
    x = 20,340,742,790,450.80/5,078,039.97
  6. Step 6: Final answer
    x = 4,005,628.73

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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.