Home / 2,632,754.25-3,949,131.38-638,210.25

Finding the Fourth Proportional to 2,632,754.25, 3,949,131.38 and 638,210.25

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Solution

The fourth proportional to 2,632,754.25, 3,949,131.38 and 638,210.25 is: 957,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,754.25 : 3,949,131.38 = 638,210.25 : x
  2. Step 2: Convert to fraction form
    2,632,754.25/3,949,131.38 = 638,210.25/x
  3. Step 3: Cross multiply
    2,632,754.25x = 3,949,131.38 × 638,210.25
  4. Step 4: Simplify right side
    2,632,754.25x = 2,520,376,122,121.59
  5. Step 5: Solve for x
    x = 2,520,376,122,121.59/2,632,754.25
  6. Step 6: Final answer
    x = 957,315.38

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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.