Home / 2,021,376.20-3,029,442.06-821,902.28

Finding the Fourth Proportional to 2,021,376.20, 3,029,442.06 and 821,902.28

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Solution

The fourth proportional to 2,021,376.20, 3,029,442.06 and 821,902.28 is: 1,231,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,376.20 : 3,029,442.06 = 821,902.28 : x
  2. Step 2: Convert to fraction form
    2,021,376.20/3,029,442.06 = 821,902.28/x
  3. Step 3: Cross multiply
    2,021,376.20x = 3,029,442.06 × 821,902.28
  4. Step 4: Simplify right side
    2,021,376.20x = 2,489,905,336,241.90
  5. Step 5: Solve for x
    x = 2,489,905,336,241.90/2,021,376.20
  6. Step 6: Final answer
    x = 1,231,787.20

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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.