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Finding the Fourth Proportional to 6,488,845.62, 8,954,665.01 and 3,588,432.98

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Solution

The fourth proportional to 6,488,845.62, 8,954,665.01 and 3,588,432.98 is: 4,952,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488,845.62 : 8,954,665.01 = 3,588,432.98 : x
  2. Step 2: Convert to fraction form
    6,488,845.62/8,954,665.01 = 3,588,432.98/x
  3. Step 3: Cross multiply
    6,488,845.62x = 8,954,665.01 × 3,588,432.98
  4. Step 4: Simplify right side
    6,488,845.62x = 32,133,215,246,736.03
  5. Step 5: Solve for x
    x = 32,133,215,246,736.03/6,488,845.62
  6. Step 6: Final answer
    x = 4,952,069.62

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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.