Home / 6,426,156.08-9,638,839.74-2,639,540.72

Finding the Fourth Proportional to 6,426,156.08, 9,638,839.74 and 2,639,540.72

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Solution

The fourth proportional to 6,426,156.08, 9,638,839.74 and 2,639,540.72 is: 3,959,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426,156.08 : 9,638,839.74 = 2,639,540.72 : x
  2. Step 2: Convert to fraction form
    6,426,156.08/9,638,839.74 = 2,639,540.72/x
  3. Step 3: Cross multiply
    6,426,156.08x = 9,638,839.74 × 2,639,540.72
  4. Step 4: Simplify right side
    6,426,156.08x = 25,442,109,987,284.21
  5. Step 5: Solve for x
    x = 25,442,109,987,284.21/6,426,156.08
  6. Step 6: Final answer
    x = 3,959,149.09

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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.