Home / 1,940,867.73-2,911,301.60-743,157.18

Finding the Fourth Proportional to 1,940,867.73, 2,911,301.60 and 743,157.18

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Solution

The fourth proportional to 1,940,867.73, 2,911,301.60 and 743,157.18 is: 1,114,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,867.73 : 2,911,301.60 = 743,157.18 : x
  2. Step 2: Convert to fraction form
    1,940,867.73/2,911,301.60 = 743,157.18/x
  3. Step 3: Cross multiply
    1,940,867.73x = 2,911,301.60 × 743,157.18
  4. Step 4: Simplify right side
    1,940,867.73x = 2,163,554,683,469.70
  5. Step 5: Solve for x
    x = 2,163,554,683,469.70/1,940,867.73
  6. Step 6: Final answer
    x = 1,114,735.77

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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.