Home / 2,138,194.46-2,949,589.86-1,322,137.28

Finding the Fourth Proportional to 2,138,194.46, 2,949,589.86 and 1,322,137.28

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Solution

The fourth proportional to 2,138,194.46, 2,949,589.86 and 1,322,137.28 is: 1,823,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,194.46 : 2,949,589.86 = 1,322,137.28 : x
  2. Step 2: Convert to fraction form
    2,138,194.46/2,949,589.86 = 1,322,137.28/x
  3. Step 3: Cross multiply
    2,138,194.46x = 2,949,589.86 × 1,322,137.28
  4. Step 4: Simplify right side
    2,138,194.46x = 3,899,762,714,615.98
  5. Step 5: Solve for x
    x = 3,899,762,714,615.98/2,138,194.46
  6. Step 6: Final answer
    x = 1,823,857.83

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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.