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Finding the Fourth Proportional to 4,899,179.05, 7,349,054.60 and 1,487,576.95

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Solution

The fourth proportional to 4,899,179.05, 7,349,054.60 and 1,487,576.95 is: 2,231,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899,179.05 : 7,349,054.60 = 1,487,576.95 : x
  2. Step 2: Convert to fraction form
    4,899,179.05/7,349,054.60 = 1,487,576.95/x
  3. Step 3: Cross multiply
    4,899,179.05x = 7,349,054.60 × 1,487,576.95
  4. Step 4: Simplify right side
    4,899,179.05x = 10,932,284,219,813.58
  5. Step 5: Solve for x
    x = 10,932,284,219,813.58/4,899,179.05
  6. Step 6: Final answer
    x = 2,231,452.27

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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.