Home / 2,068,969.03-3,104,880.66-721,142.80

Finding the Fourth Proportional to 2,068,969.03, 3,104,880.66 and 721,142.80

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Solution

The fourth proportional to 2,068,969.03, 3,104,880.66 and 721,142.80 is: 1,082,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,969.03 : 3,104,880.66 = 721,142.80 : x
  2. Step 2: Convert to fraction form
    2,068,969.03/3,104,880.66 = 721,142.80/x
  3. Step 3: Cross multiply
    2,068,969.03x = 3,104,880.66 × 721,142.80
  4. Step 4: Simplify right side
    2,068,969.03x = 2,239,062,325,056.05
  5. Step 5: Solve for x
    x = 2,239,062,325,056.05/2,068,969.03
  6. Step 6: Final answer
    x = 1,082,211.62

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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.