Home / 2,528,787.28-3,489,692.88-1,441,123.60

Finding the Fourth Proportional to 2,528,787.28, 3,489,692.88 and 1,441,123.60

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Solution

The fourth proportional to 2,528,787.28, 3,489,692.88 and 1,441,123.60 is: 1,988,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,787.28 : 3,489,692.88 = 1,441,123.60 : x
  2. Step 2: Convert to fraction form
    2,528,787.28/3,489,692.88 = 1,441,123.60/x
  3. Step 3: Cross multiply
    2,528,787.28x = 3,489,692.88 × 1,441,123.60
  4. Step 4: Simplify right side
    2,528,787.28x = 5,029,078,766,119.97
  5. Step 5: Solve for x
    x = 5,029,078,766,119.97/2,528,787.28
  6. Step 6: Final answer
    x = 1,988,731.44

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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.