Home / 1,989,049.20-2,996,865.10-1,797,146.70

Finding the Fourth Proportional to 1,989,049.20, 2,996,865.10 and 1,797,146.70

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Solution

The fourth proportional to 1,989,049.20, 2,996,865.10 and 1,797,146.70 is: 2,707,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,049.20 : 2,996,865.10 = 1,797,146.70 : x
  2. Step 2: Convert to fraction form
    1,989,049.20/2,996,865.10 = 1,797,146.70/x
  3. Step 3: Cross multiply
    1,989,049.20x = 2,996,865.10 × 1,797,146.70
  4. Step 4: Simplify right side
    1,989,049.20x = 5,385,806,230,992.40
  5. Step 5: Solve for x
    x = 5,385,806,230,992.40/1,989,049.20
  6. Step 6: Final answer
    x = 2,707,729.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.