Home / 3,928,536-5,892,787.20-1,088,640

Finding the Fourth Proportional to 3,928,536, 5,892,787.20 and 1,088,640

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Solution

The fourth proportional to 3,928,536, 5,892,787.20 and 1,088,640 is: 1,632,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,536 : 5,892,787.20 = 1,088,640 : x
  2. Step 2: Convert to fraction form
    3,928,536/5,892,787.20 = 1,088,640/x
  3. Step 3: Cross multiply
    3,928,536x = 5,892,787.20 × 1,088,640
  4. Step 4: Simplify right side
    3,928,536x = 6,415,123,857,408
  5. Step 5: Solve for x
    x = 6,415,123,857,408/3,928,536
  6. Step 6: Final answer
    x = 1,632,955.34

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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.