Home / 3,569,381.28-4,923,921.60-2,278,865.76

Finding the Fourth Proportional to 3,569,381.28, 4,923,921.60 and 2,278,865.76

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Solution

The fourth proportional to 3,569,381.28, 4,923,921.60 and 2,278,865.76 is: 3,143,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569,381.28 : 4,923,921.60 = 2,278,865.76 : x
  2. Step 2: Convert to fraction form
    3,569,381.28/4,923,921.60 = 2,278,865.76/x
  3. Step 3: Cross multiply
    3,569,381.28x = 4,923,921.60 × 2,278,865.76
  4. Step 4: Simplify right side
    3,569,381.28x = 11,220,956,339,164.41
  5. Step 5: Solve for x
    x = 11,220,956,339,164.41/3,569,381.28
  6. Step 6: Final answer
    x = 3,143,669.86

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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.