Home / 3,630,179.96-5,009,458.12-1,998,268.56

Finding the Fourth Proportional to 3,630,179.96, 5,009,458.12 and 1,998,268.56

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Solution

The fourth proportional to 3,630,179.96, 5,009,458.12 and 1,998,268.56 is: 2,757,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,179.96 : 5,009,458.12 = 1,998,268.56 : x
  2. Step 2: Convert to fraction form
    3,630,179.96/5,009,458.12 = 1,998,268.56/x
  3. Step 3: Cross multiply
    3,630,179.96x = 5,009,458.12 × 1,998,268.56
  4. Step 4: Simplify right side
    3,630,179.96x = 10,010,242,663,832.71
  5. Step 5: Solve for x
    x = 10,010,242,663,832.71/3,630,179.96
  6. Step 6: Final answer
    x = 2,757,505.90

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Similar ratio
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1.5x scale

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.