Home / 3,893,734.72-5,373,462.32-2,151,516.86

Finding the Fourth Proportional to 3,893,734.72, 5,373,462.32 and 2,151,516.86

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Solution

The fourth proportional to 3,893,734.72, 5,373,462.32 and 2,151,516.86 is: 2,969,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,734.72 : 5,373,462.32 = 2,151,516.86 : x
  2. Step 2: Convert to fraction form
    3,893,734.72/5,373,462.32 = 2,151,516.86/x
  3. Step 3: Cross multiply
    3,893,734.72x = 5,373,462.32 × 2,151,516.86
  4. Step 4: Simplify right side
    3,893,734.72x = 11,561,094,777,710.21
  5. Step 5: Solve for x
    x = 11,561,094,777,710.21/3,893,734.72
  6. Step 6: Final answer
    x = 2,969,153.16

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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.