Home / 3,422,826.72-4,723,142.40-1,972,233.36

Finding the Fourth Proportional to 3,422,826.72, 4,723,142.40 and 1,972,233.36

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Solution

The fourth proportional to 3,422,826.72, 4,723,142.40 and 1,972,233.36 is: 2,721,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,826.72 : 4,723,142.40 = 1,972,233.36 : x
  2. Step 2: Convert to fraction form
    3,422,826.72/4,723,142.40 = 1,972,233.36/x
  3. Step 3: Cross multiply
    3,422,826.72x = 4,723,142.40 × 1,972,233.36
  4. Step 4: Simplify right side
    3,422,826.72x = 9,315,139,005,310.47
  5. Step 5: Solve for x
    x = 9,315,139,005,310.47/3,422,826.72
  6. Step 6: Final answer
    x = 2,721,475.48

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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.