Home / 2,632,872-3,949,320.96-638,328

Finding the Fourth Proportional to 2,632,872, 3,949,320.96 and 638,328

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Solution

The fourth proportional to 2,632,872, 3,949,320.96 and 638,328 is: 957,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,872 : 3,949,320.96 = 638,328 : x
  2. Step 2: Convert to fraction form
    2,632,872/3,949,320.96 = 638,328/x
  3. Step 3: Cross multiply
    2,632,872x = 3,949,320.96 × 638,328
  4. Step 4: Simplify right side
    2,632,872x = 2,520,962,149,754.88
  5. Step 5: Solve for x
    x = 2,520,962,149,754.88/2,632,872
  6. Step 6: Final answer
    x = 957,495.14

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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.