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Finding the Fourth Proportional to 3,482,258.92, 4,805,986.34 and 1,954,449.64

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Solution

The fourth proportional to 3,482,258.92, 4,805,986.34 and 1,954,449.64 is: 2,697,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482,258.92 : 4,805,986.34 = 1,954,449.64 : x
  2. Step 2: Convert to fraction form
    3,482,258.92/4,805,986.34 = 1,954,449.64/x
  3. Step 3: Cross multiply
    3,482,258.92x = 4,805,986.34 × 1,954,449.64
  4. Step 4: Simplify right side
    3,482,258.92x = 9,393,058,272,057.92
  5. Step 5: Solve for x
    x = 9,393,058,272,057.92/3,482,258.92
  6. Step 6: Final answer
    x = 2,697,403.75

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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.