Home / 3,448,172.78-4,758,137.77-1,920,422.06

Finding the Fourth Proportional to 3,448,172.78, 4,758,137.77 and 1,920,422.06

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Solution

The fourth proportional to 3,448,172.78, 4,758,137.77 and 1,920,422.06 is: 2,649,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,172.78 : 4,758,137.77 = 1,920,422.06 : x
  2. Step 2: Convert to fraction form
    3,448,172.78/4,758,137.77 = 1,920,422.06/x
  3. Step 3: Cross multiply
    3,448,172.78x = 4,758,137.77 × 1,920,422.06
  4. Step 4: Simplify right side
    3,448,172.78x = 9,137,632,738,027.21
  5. Step 5: Solve for x
    x = 9,137,632,738,027.21/3,448,172.78
  6. Step 6: Final answer
    x = 2,649,992.71

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1.5x scale

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.