Home / 3,115,999.60-4,673,999.40-2,991,583.60

Finding the Fourth Proportional to 3,115,999.60, 4,673,999.40 and 2,991,583.60

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Solution

The fourth proportional to 3,115,999.60, 4,673,999.40 and 2,991,583.60 is: 4,487,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,999.60 : 4,673,999.40 = 2,991,583.60 : x
  2. Step 2: Convert to fraction form
    3,115,999.60/4,673,999.40 = 2,991,583.60/x
  3. Step 3: Cross multiply
    3,115,999.60x = 4,673,999.40 × 2,991,583.60
  4. Step 4: Simplify right side
    3,115,999.60x = 13,982,659,951,449.84
  5. Step 5: Solve for x
    x = 13,982,659,951,449.84/3,115,999.60
  6. Step 6: Final answer
    x = 4,487,375.40

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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.