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Finding the Fourth Proportional to 6,244,751.88, 8,617,645.62 and 3,528,439.56

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Solution

The fourth proportional to 6,244,751.88, 8,617,645.62 and 3,528,439.56 is: 4,869,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244,751.88 : 8,617,645.62 = 3,528,439.56 : x
  2. Step 2: Convert to fraction form
    6,244,751.88/8,617,645.62 = 3,528,439.56/x
  3. Step 3: Cross multiply
    6,244,751.88x = 8,617,645.62 × 3,528,439.56
  4. Step 4: Simplify right side
    6,244,751.88x = 30,406,841,719,668.73
  5. Step 5: Solve for x
    x = 30,406,841,719,668.73/6,244,751.88
  6. Step 6: Final answer
    x = 4,869,183.32

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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.