Home / 2,123,715.37-2,930,731.19-1,264,305.37

Finding the Fourth Proportional to 2,123,715.37, 2,930,731.19 and 1,264,305.37

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Solution

The fourth proportional to 2,123,715.37, 2,930,731.19 and 1,264,305.37 is: 1,744,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,715.37 : 2,930,731.19 = 1,264,305.37 : x
  2. Step 2: Convert to fraction form
    2,123,715.37/2,930,731.19 = 1,264,305.37/x
  3. Step 3: Cross multiply
    2,123,715.37x = 2,930,731.19 × 1,264,305.37
  4. Step 4: Simplify right side
    2,123,715.37x = 3,705,339,175,221.96
  5. Step 5: Solve for x
    x = 3,705,339,175,221.96/2,123,715.37
  6. Step 6: Final answer
    x = 1,744,743.78

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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.