Home / 2,154,222.40-3,229,778.40-1,207,883.20

Finding the Fourth Proportional to 2,154,222.40, 3,229,778.40 and 1,207,883.20

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Solution

The fourth proportional to 2,154,222.40, 3,229,778.40 and 1,207,883.20 is: 1,810,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,222.40 : 3,229,778.40 = 1,207,883.20 : x
  2. Step 2: Convert to fraction form
    2,154,222.40/3,229,778.40 = 1,207,883.20/x
  3. Step 3: Cross multiply
    2,154,222.40x = 3,229,778.40 × 1,207,883.20
  4. Step 4: Simplify right side
    2,154,222.40x = 3,901,195,069,082.88
  5. Step 5: Solve for x
    x = 3,901,195,069,082.88/2,154,222.40
  6. Step 6: Final answer
    x = 1,810,952.79

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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.