Home / 3,942,329.82-5,440,407.57-2,223,445.02

Finding the Fourth Proportional to 3,942,329.82, 5,440,407.57 and 2,223,445.02

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Solution

The fourth proportional to 3,942,329.82, 5,440,407.57 and 2,223,445.02 is: 3,068,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,329.82 : 5,440,407.57 = 2,223,445.02 : x
  2. Step 2: Convert to fraction form
    3,942,329.82/5,440,407.57 = 2,223,445.02/x
  3. Step 3: Cross multiply
    3,942,329.82x = 5,440,407.57 × 2,223,445.02
  4. Step 4: Simplify right side
    3,942,329.82x = 12,096,447,118,286.80
  5. Step 5: Solve for x
    x = 12,096,447,118,286.80/3,942,329.82
  6. Step 6: Final answer
    x = 3,068,349.85

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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.