Home / 1,815,511.11-2,505,324.49-1,040,586.43

Finding the Fourth Proportional to 1,815,511.11, 2,505,324.49 and 1,040,586.43

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Solution

The fourth proportional to 1,815,511.11, 2,505,324.49 and 1,040,586.43 is: 1,435,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,511.11 : 2,505,324.49 = 1,040,586.43 : x
  2. Step 2: Convert to fraction form
    1,815,511.11/2,505,324.49 = 1,040,586.43/x
  3. Step 3: Cross multiply
    1,815,511.11x = 2,505,324.49 × 1,040,586.43
  4. Step 4: Simplify right side
    1,815,511.11x = 2,607,006,667,040.67
  5. Step 5: Solve for x
    x = 2,607,006,667,040.67/1,815,511.11
  6. Step 6: Final answer
    x = 1,435,962.94

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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.