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Finding the Fourth Proportional to 6,283,704.78, 8,671,520.70 and 3,567,450.78

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Solution

The fourth proportional to 6,283,704.78, 8,671,520.70 and 3,567,450.78 is: 4,923,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283,704.78 : 8,671,520.70 = 3,567,450.78 : x
  2. Step 2: Convert to fraction form
    6,283,704.78/8,671,520.70 = 3,567,450.78/x
  3. Step 3: Cross multiply
    6,283,704.78x = 8,671,520.70 × 3,567,450.78
  4. Step 4: Simplify right side
    6,283,704.78x = 30,935,223,285,001.14
  5. Step 5: Solve for x
    x = 30,935,223,285,001.14/6,283,704.78
  6. Step 6: Final answer
    x = 4,923,086.68

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1.5x scale

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.