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Finding the Fourth Proportional to 2,632,909, 3,949,364.04 and 638,365

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Solution

The fourth proportional to 2,632,909, 3,949,364.04 and 638,365 is: 957,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,909 : 3,949,364.04 = 638,365 : x
  2. Step 2: Convert to fraction form
    2,632,909/3,949,364.04 = 638,365/x
  3. Step 3: Cross multiply
    2,632,909x = 3,949,364.04 × 638,365
  4. Step 4: Simplify right side
    2,632,909x = 2,521,135,775,394.60
  5. Step 5: Solve for x
    x = 2,521,135,775,394.60/2,632,909
  6. Step 6: Final answer
    x = 957,547.63

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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.