Home / 2,954,845.42-4,432,400.86-905,355.78

Finding the Fourth Proportional to 2,954,845.42, 4,432,400.86 and 905,355.78

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Solution

The fourth proportional to 2,954,845.42, 4,432,400.86 and 905,355.78 is: 1,358,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,845.42 : 4,432,400.86 = 905,355.78 : x
  2. Step 2: Convert to fraction form
    2,954,845.42/4,432,400.86 = 905,355.78/x
  3. Step 3: Cross multiply
    2,954,845.42x = 4,432,400.86 × 905,355.78
  4. Step 4: Simplify right side
    2,954,845.42x = 4,012,899,737,877.97
  5. Step 5: Solve for x
    x = 4,012,899,737,877.97/2,954,845.42
  6. Step 6: Final answer
    x = 1,358,074.34

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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.