Home / 6,405,390.72-9,608,092.80-2,618,873.60

Finding the Fourth Proportional to 6,405,390.72, 9,608,092.80 and 2,618,873.60

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Solution

The fourth proportional to 6,405,390.72, 9,608,092.80 and 2,618,873.60 is: 3,928,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,390.72 : 9,608,092.80 = 2,618,873.60 : x
  2. Step 2: Convert to fraction form
    6,405,390.72/9,608,092.80 = 2,618,873.60/x
  3. Step 3: Cross multiply
    6,405,390.72x = 9,608,092.80 × 2,618,873.60
  4. Step 4: Simplify right side
    6,405,390.72x = 25,162,380,580,270.08
  5. Step 5: Solve for x
    x = 25,162,380,580,270.08/6,405,390.72
  6. Step 6: Final answer
    x = 3,928,313.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.