Home / 3,538,200.89-4,882,120.29-1,989,258.14

Finding the Fourth Proportional to 3,538,200.89, 4,882,120.29 and 1,989,258.14

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Solution

The fourth proportional to 3,538,200.89, 4,882,120.29 and 1,989,258.14 is: 2,744,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,200.89 : 4,882,120.29 = 1,989,258.14 : x
  2. Step 2: Convert to fraction form
    3,538,200.89/4,882,120.29 = 1,989,258.14/x
  3. Step 3: Cross multiply
    3,538,200.89x = 4,882,120.29 × 1,989,258.14
  4. Step 4: Simplify right side
    3,538,200.89x = 9,711,797,539,546.96
  5. Step 5: Solve for x
    x = 9,711,797,539,546.96/3,538,200.89
  6. Step 6: Final answer
    x = 2,744,840.62

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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.