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Finding the Fourth Proportional to 3,600,794.88, 4,965,140.16 and 2,311,148.16

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Solution

The fourth proportional to 3,600,794.88, 4,965,140.16 and 2,311,148.16 is: 3,186,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600,794.88 : 4,965,140.16 = 2,311,148.16 : x
  2. Step 2: Convert to fraction form
    3,600,794.88/4,965,140.16 = 2,311,148.16/x
  3. Step 3: Cross multiply
    3,600,794.88x = 4,965,140.16 × 2,311,148.16
  4. Step 4: Simplify right side
    3,600,794.88x = 11,475,174,544,926.11
  5. Step 5: Solve for x
    x = 11,475,174,544,926.11/3,600,794.88
  6. Step 6: Final answer
    x = 3,186,844.83

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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.