Home / 2,858,899.32-3,943,791.90-2,315,648.52

Finding the Fourth Proportional to 2,858,899.32, 3,943,791.90 and 2,315,648.52

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Solution

The fourth proportional to 2,858,899.32, 3,943,791.90 and 2,315,648.52 is: 3,194,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,899.32 : 3,943,791.90 = 2,315,648.52 : x
  2. Step 2: Convert to fraction form
    2,858,899.32/3,943,791.90 = 2,315,648.52/x
  3. Step 3: Cross multiply
    2,858,899.32x = 3,943,791.90 × 2,315,648.52
  4. Step 4: Simplify right side
    2,858,899.32x = 9,132,435,876,422.99
  5. Step 5: Solve for x
    x = 9,132,435,876,422.99/2,858,899.32
  6. Step 6: Final answer
    x = 3,194,388.77

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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.