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Finding the Fourth Proportional to 3,267,334.20, 4,578,991.80 and 3,267,334.20

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Solution

The fourth proportional to 3,267,334.20, 4,578,991.80 and 3,267,334.20 is: 4,578,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267,334.20 : 4,578,991.80 = 3,267,334.20 : x
  2. Step 2: Convert to fraction form
    3,267,334.20/4,578,991.80 = 3,267,334.20/x
  3. Step 3: Cross multiply
    3,267,334.20x = 4,578,991.80 × 3,267,334.20
  4. Step 4: Simplify right side
    3,267,334.20x = 14,961,096,509,659.56
  5. Step 5: Solve for x
    x = 14,961,096,509,659.56/3,267,334.20
  6. Step 6: Final answer
    x = 4,578,991.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.