Home / 3,937,976.20-5,907,800.22-1,243,080.28

Finding the Fourth Proportional to 3,937,976.20, 5,907,800.22 and 1,243,080.28

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Solution

The fourth proportional to 3,937,976.20, 5,907,800.22 and 1,243,080.28 is: 1,864,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,976.20 : 5,907,800.22 = 1,243,080.28 : x
  2. Step 2: Convert to fraction form
    3,937,976.20/5,907,800.22 = 1,243,080.28/x
  3. Step 3: Cross multiply
    3,937,976.20x = 5,907,800.22 × 1,243,080.28
  4. Step 4: Simplify right side
    3,937,976.20x = 7,343,869,951,661.66
  5. Step 5: Solve for x
    x = 7,343,869,951,661.66/3,937,976.20
  6. Step 6: Final answer
    x = 1,864,884.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.