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Finding the Fourth Proportional to 6,374,458.21, 8,796,528.89 and 3,473,789.89

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Solution

The fourth proportional to 6,374,458.21, 8,796,528.89 and 3,473,789.89 is: 4,793,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374,458.21 : 8,796,528.89 = 3,473,789.89 : x
  2. Step 2: Convert to fraction form
    6,374,458.21/8,796,528.89 = 3,473,789.89/x
  3. Step 3: Cross multiply
    6,374,458.21x = 8,796,528.89 × 3,473,789.89
  4. Step 4: Simplify right side
    6,374,458.21x = 30,557,293,081,192.28
  5. Step 5: Solve for x
    x = 30,557,293,081,192.28/6,374,458.21
  6. Step 6: Final answer
    x = 4,793,708.28

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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.