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Finding the Fourth Proportional to 2,632,874, 3,949,323.96 and 638,330

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Solution

The fourth proportional to 2,632,874, 3,949,323.96 and 638,330 is: 957,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,874 : 3,949,323.96 = 638,330 : x
  2. Step 2: Convert to fraction form
    2,632,874/3,949,323.96 = 638,330/x
  3. Step 3: Cross multiply
    2,632,874x = 3,949,323.96 × 638,330
  4. Step 4: Simplify right side
    2,632,874x = 2,520,971,963,386.80
  5. Step 5: Solve for x
    x = 2,520,971,963,386.80/2,632,874
  6. Step 6: Final answer
    x = 957,498.14

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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.