Home / 2,277,889.87-3,144,279.67-1,311,405.36

Finding the Fourth Proportional to 2,277,889.87, 3,144,279.67 and 1,311,405.36

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Solution

The fourth proportional to 2,277,889.87, 3,144,279.67 and 1,311,405.36 is: 1,810,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,889.87 : 3,144,279.67 = 1,311,405.36 : x
  2. Step 2: Convert to fraction form
    2,277,889.87/3,144,279.67 = 1,311,405.36/x
  3. Step 3: Cross multiply
    2,277,889.87x = 3,144,279.67 × 1,311,405.36
  4. Step 4: Simplify right side
    2,277,889.87x = 4,123,425,212,577.03
  5. Step 5: Solve for x
    x = 4,123,425,212,577.03/2,277,889.87
  6. Step 6: Final answer
    x = 1,810,195.16

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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.