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Finding the Fourth Proportional to 3,108,662.64, 4,664,978.46 and 1,510,354.44

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Solution

The fourth proportional to 3,108,662.64, 4,664,978.46 and 1,510,354.44 is: 2,266,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,662.64 : 4,664,978.46 = 1,510,354.44 : x
  2. Step 2: Convert to fraction form
    3,108,662.64/4,664,978.46 = 1,510,354.44/x
  3. Step 3: Cross multiply
    3,108,662.64x = 4,664,978.46 × 1,510,354.44
  4. Step 4: Simplify right side
    3,108,662.64x = 7,045,770,929,565.36
  5. Step 5: Solve for x
    x = 7,045,770,929,565.36/3,108,662.64
  6. Step 6: Final answer
    x = 2,266,495.84

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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.