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Finding the Fourth Proportional to 4,904,573.72, 7,356,774.72 and 2,206,989.68

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Solution

The fourth proportional to 4,904,573.72, 7,356,774.72 and 2,206,989.68 is: 3,310,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904,573.72 : 7,356,774.72 = 2,206,989.68 : x
  2. Step 2: Convert to fraction form
    4,904,573.72/7,356,774.72 = 2,206,989.68/x
  3. Step 3: Cross multiply
    4,904,573.72x = 7,356,774.72 × 2,206,989.68
  4. Step 4: Simplify right side
    4,904,573.72x = 16,236,325,885,124.89
  5. Step 5: Solve for x
    x = 16,236,325,885,124.89/4,904,573.72
  6. Step 6: Final answer
    x = 3,310,445.88

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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.