Home / 3,629,871.72-5,431,126.92-2,165,502.72

Finding the Fourth Proportional to 3,629,871.72, 5,431,126.92 and 2,165,502.72

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Solution

The fourth proportional to 3,629,871.72, 5,431,126.92 and 2,165,502.72 is: 3,240,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,871.72 : 5,431,126.92 = 2,165,502.72 : x
  2. Step 2: Convert to fraction form
    3,629,871.72/5,431,126.92 = 2,165,502.72/x
  3. Step 3: Cross multiply
    3,629,871.72x = 5,431,126.92 × 2,165,502.72
  4. Step 4: Simplify right side
    3,629,871.72x = 11,761,120,117,925.22
  5. Step 5: Solve for x
    x = 11,761,120,117,925.22/3,629,871.72
  6. Step 6: Final answer
    x = 3,240,092.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.