Home / 2,521,712.20-3,783,086.70-840,022.60

Finding the Fourth Proportional to 2,521,712.20, 3,783,086.70 and 840,022.60

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Solution

The fourth proportional to 2,521,712.20, 3,783,086.70 and 840,022.60 is: 1,260,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,712.20 : 3,783,086.70 = 840,022.60 : x
  2. Step 2: Convert to fraction form
    2,521,712.20/3,783,086.70 = 840,022.60/x
  3. Step 3: Cross multiply
    2,521,712.20x = 3,783,086.70 × 840,022.60
  4. Step 4: Simplify right side
    2,521,712.20x = 3,177,878,325,759.42
  5. Step 5: Solve for x
    x = 3,177,878,325,759.42/2,521,712.20
  6. Step 6: Final answer
    x = 1,260,206.59

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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.