Home / 2,261,181.87-3,389,865.21-980,825.40

Finding the Fourth Proportional to 2,261,181.87, 3,389,865.21 and 980,825.40

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Solution

The fourth proportional to 2,261,181.87, 3,389,865.21 and 980,825.40 is: 1,470,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,181.87 : 3,389,865.21 = 980,825.40 : x
  2. Step 2: Convert to fraction form
    2,261,181.87/3,389,865.21 = 980,825.40/x
  3. Step 3: Cross multiply
    2,261,181.87x = 3,389,865.21 × 980,825.40
  4. Step 4: Simplify right side
    2,261,181.87x = 3,324,865,900,544.33
  5. Step 5: Solve for x
    x = 3,324,865,900,544.33/2,261,181.87
  6. Step 6: Final answer
    x = 1,470,410.65

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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.