Home / 3,760,991.22-5,190,022.32-2,042,072.40

Finding the Fourth Proportional to 3,760,991.22, 5,190,022.32 and 2,042,072.40

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Solution

The fourth proportional to 3,760,991.22, 5,190,022.32 and 2,042,072.40 is: 2,817,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760,991.22 : 5,190,022.32 = 2,042,072.40 : x
  2. Step 2: Convert to fraction form
    3,760,991.22/5,190,022.32 = 2,042,072.40/x
  3. Step 3: Cross multiply
    3,760,991.22x = 5,190,022.32 × 2,042,072.40
  4. Step 4: Simplify right side
    3,760,991.22x = 10,598,401,335,055.97
  5. Step 5: Solve for x
    x = 10,598,401,335,055.97/3,760,991.22
  6. Step 6: Final answer
    x = 2,817,980.88

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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.