Home / 3,115,537.20-4,669,806.60-1,318,114.80

Finding the Fourth Proportional to 3,115,537.20, 4,669,806.60 and 1,318,114.80

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Solution

The fourth proportional to 3,115,537.20, 4,669,806.60 and 1,318,114.80 is: 1,975,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,537.20 : 4,669,806.60 = 1,318,114.80 : x
  2. Step 2: Convert to fraction form
    3,115,537.20/4,669,806.60 = 1,318,114.80/x
  3. Step 3: Cross multiply
    3,115,537.20x = 4,669,806.60 × 1,318,114.80
  4. Step 4: Simplify right side
    3,115,537.20x = 6,155,341,192,597.68
  5. Step 5: Solve for x
    x = 6,155,341,192,597.68/3,115,537.20
  6. Step 6: Final answer
    x = 1,975,691.77

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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.