Home / 5,171,660.30-7,136,890.85-2,997,464.57

Finding the Fourth Proportional to 5,171,660.30, 7,136,890.85 and 2,997,464.57

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Solution

The fourth proportional to 5,171,660.30, 7,136,890.85 and 2,997,464.57 is: 4,136,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,660.30 : 7,136,890.85 = 2,997,464.57 : x
  2. Step 2: Convert to fraction form
    5,171,660.30/7,136,890.85 = 2,997,464.57/x
  3. Step 3: Cross multiply
    5,171,660.30x = 7,136,890.85 × 2,997,464.57
  4. Step 4: Simplify right side
    5,171,660.30x = 21,392,577,447,844.86
  5. Step 5: Solve for x
    x = 21,392,577,447,844.86/5,171,660.30
  6. Step 6: Final answer
    x = 4,136,500.90

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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.