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Finding the Fourth Proportional to 4,632,679.60, 6,936,577.80 and 4,632,679.60

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Solution

The fourth proportional to 4,632,679.60, 6,936,577.80 and 4,632,679.60 is: 6,936,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632,679.60 : 6,936,577.80 = 4,632,679.60 : x
  2. Step 2: Convert to fraction form
    4,632,679.60/6,936,577.80 = 4,632,679.60/x
  3. Step 3: Cross multiply
    4,632,679.60x = 6,936,577.80 × 4,632,679.60
  4. Step 4: Simplify right side
    4,632,679.60x = 32,134,942,467,872.88
  5. Step 5: Solve for x
    x = 32,134,942,467,872.88/4,632,679.60
  6. Step 6: Final answer
    x = 6,936,577.80

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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.