Home / 2,868,391.59-3,958,404.19-1,561,652.56

Finding the Fourth Proportional to 2,868,391.59, 3,958,404.19 and 1,561,652.56

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Solution

The fourth proportional to 2,868,391.59, 3,958,404.19 and 1,561,652.56 is: 2,155,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,391.59 : 3,958,404.19 = 1,561,652.56 : x
  2. Step 2: Convert to fraction form
    2,868,391.59/3,958,404.19 = 1,561,652.56/x
  3. Step 3: Cross multiply
    2,868,391.59x = 3,958,404.19 × 1,561,652.56
  4. Step 4: Simplify right side
    2,868,391.59x = 6,181,652,037,872.10
  5. Step 5: Solve for x
    x = 6,181,652,037,872.10/2,868,391.59
  6. Step 6: Final answer
    x = 2,155,093.49

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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.