Home / 2,912,826.38-4,021,422.64-2,589,642.09

Finding the Fourth Proportional to 2,912,826.38, 4,021,422.64 and 2,589,642.09

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Solution

The fourth proportional to 2,912,826.38, 4,021,422.64 and 2,589,642.09 is: 3,575,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,826.38 : 4,021,422.64 = 2,589,642.09 : x
  2. Step 2: Convert to fraction form
    2,912,826.38/4,021,422.64 = 2,589,642.09/x
  3. Step 3: Cross multiply
    2,912,826.38x = 4,021,422.64 × 2,589,642.09
  4. Step 4: Simplify right side
    2,912,826.38x = 10,414,045,297,167.59
  5. Step 5: Solve for x
    x = 10,414,045,297,167.59/2,912,826.38
  6. Step 6: Final answer
    x = 3,575,237.23

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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.