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Finding the Fourth Proportional to 6,503,296.41, 8,969,496.93 and 4,439,975.31

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Solution

The fourth proportional to 6,503,296.41, 8,969,496.93 and 4,439,975.31 is: 6,123,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,296.41 : 8,969,496.93 = 4,439,975.31 : x
  2. Step 2: Convert to fraction form
    6,503,296.41/8,969,496.93 = 4,439,975.31/x
  3. Step 3: Cross multiply
    6,503,296.41x = 8,969,496.93 × 4,439,975.31
  4. Step 4: Simplify right side
    6,503,296.41x = 39,824,344,912,320.80
  5. Step 5: Solve for x
    x = 39,824,344,912,320.80/6,503,296.41
  6. Step 6: Final answer
    x = 6,123,716.71

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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.