Home / 3,211,241.60-4,815,662.29-1,291,504.86

Finding the Fourth Proportional to 3,211,241.60, 4,815,662.29 and 1,291,504.86

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Solution

The fourth proportional to 3,211,241.60, 4,815,662.29 and 1,291,504.86 is: 1,936,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,241.60 : 4,815,662.29 = 1,291,504.86 : x
  2. Step 2: Convert to fraction form
    3,211,241.60/4,815,662.29 = 1,291,504.86/x
  3. Step 3: Cross multiply
    3,211,241.60x = 4,815,662.29 × 1,291,504.86
  4. Step 4: Simplify right side
    3,211,241.60x = 6,219,451,248,424.97
  5. Step 5: Solve for x
    x = 6,219,451,248,424.97/3,211,241.60
  6. Step 6: Final answer
    x = 1,936,774.62

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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.