Home / 2,522,178.20-3,480,689.94-1,376,321.42

Finding the Fourth Proportional to 2,522,178.20, 3,480,689.94 and 1,376,321.42

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Solution

The fourth proportional to 2,522,178.20, 3,480,689.94 and 1,376,321.42 is: 1,899,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522,178.20 : 3,480,689.94 = 1,376,321.42 : x
  2. Step 2: Convert to fraction form
    2,522,178.20/3,480,689.94 = 1,376,321.42/x
  3. Step 3: Cross multiply
    2,522,178.20x = 3,480,689.94 × 1,376,321.42
  4. Step 4: Simplify right side
    2,522,178.20x = 4,790,548,120,800.51
  5. Step 5: Solve for x
    x = 4,790,548,120,800.51/2,522,178.20
  6. Step 6: Final answer
    x = 1,899,369.41

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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.