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Finding the Fourth Proportional to 6,494,608.70, 9,743,295.45 and 2,007,338.30

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Solution

The fourth proportional to 6,494,608.70, 9,743,295.45 and 2,007,338.30 is: 3,011,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494,608.70 : 9,743,295.45 = 2,007,338.30 : x
  2. Step 2: Convert to fraction form
    6,494,608.70/9,743,295.45 = 2,007,338.30/x
  3. Step 3: Cross multiply
    6,494,608.70x = 9,743,295.45 × 2,007,338.30
  4. Step 4: Simplify right side
    6,494,608.70x = 19,558,090,125,000.73
  5. Step 5: Solve for x
    x = 19,558,090,125,000.73/6,494,608.70
  6. Step 6: Final answer
    x = 3,011,434.72

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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.