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Finding the Fourth Proportional to 6,662,651.50, 9,194,462.16 and 3,606,865.75

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Solution

The fourth proportional to 6,662,651.50, 9,194,462.16 and 3,606,865.75 is: 4,977,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662,651.50 : 9,194,462.16 = 3,606,865.75 : x
  2. Step 2: Convert to fraction form
    6,662,651.50/9,194,462.16 = 3,606,865.75/x
  3. Step 3: Cross multiply
    6,662,651.50x = 9,194,462.16 × 3,606,865.75
  4. Step 4: Simplify right side
    6,662,651.50x = 33,163,190,654,575.02
  5. Step 5: Solve for x
    x = 33,163,190,654,575.02/6,662,651.50
  6. Step 6: Final answer
    x = 4,977,476.41

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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.