Home / 2,261,956.53-3,121,488.30-1,229,469.87

Finding the Fourth Proportional to 2,261,956.53, 3,121,488.30 and 1,229,469.87

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Solution

The fourth proportional to 2,261,956.53, 3,121,488.30 and 1,229,469.87 is: 1,696,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,956.53 : 3,121,488.30 = 1,229,469.87 : x
  2. Step 2: Convert to fraction form
    2,261,956.53/3,121,488.30 = 1,229,469.87/x
  3. Step 3: Cross multiply
    2,261,956.53x = 3,121,488.30 × 1,229,469.87
  4. Step 4: Simplify right side
    2,261,956.53x = 3,837,775,823,807.85
  5. Step 5: Solve for x
    x = 3,837,775,823,807.85/2,261,956.53
  6. Step 6: Final answer
    x = 1,696,662.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.