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Finding the Fourth Proportional to 6,365,357.60, 8,784,425.31 and 3,464,608.28

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Solution

The fourth proportional to 6,365,357.60, 8,784,425.31 and 3,464,608.28 is: 4,781,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365,357.60 : 8,784,425.31 = 3,464,608.28 : x
  2. Step 2: Convert to fraction form
    6,365,357.60/8,784,425.31 = 3,464,608.28/x
  3. Step 3: Cross multiply
    6,365,357.60x = 8,784,425.31 × 3,464,608.28
  4. Step 4: Simplify right side
    6,365,357.60x = 30,434,592,664,067.57
  5. Step 5: Solve for x
    x = 30,434,592,664,067.57/6,365,357.60
  6. Step 6: Final answer
    x = 4,781,285.61

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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.