Home / 3,851,832.88-5,315,464.02-2,132,916.76

Finding the Fourth Proportional to 3,851,832.88, 5,315,464.02 and 2,132,916.76

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Solution

The fourth proportional to 3,851,832.88, 5,315,464.02 and 2,132,916.76 is: 2,943,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,832.88 : 5,315,464.02 = 2,132,916.76 : x
  2. Step 2: Convert to fraction form
    3,851,832.88/5,315,464.02 = 2,132,916.76/x
  3. Step 3: Cross multiply
    3,851,832.88x = 5,315,464.02 × 2,132,916.76
  4. Step 4: Simplify right side
    3,851,832.88x = 11,337,442,295,434.97
  5. Step 5: Solve for x
    x = 11,337,442,295,434.97/3,851,832.88
  6. Step 6: Final answer
    x = 2,943,388.94

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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.