Home / 3,910,488.05-5,396,805.65-2,191,940.71

Finding the Fourth Proportional to 3,910,488.05, 5,396,805.65 and 2,191,940.71

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Solution

The fourth proportional to 3,910,488.05, 5,396,805.65 and 2,191,940.71 is: 3,025,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,488.05 : 5,396,805.65 = 2,191,940.71 : x
  2. Step 2: Convert to fraction form
    3,910,488.05/5,396,805.65 = 2,191,940.71/x
  3. Step 3: Cross multiply
    3,910,488.05x = 5,396,805.65 × 2,191,940.71
  4. Step 4: Simplify right side
    3,910,488.05x = 11,829,478,000,180.85
  5. Step 5: Solve for x
    x = 11,829,478,000,180.85/3,910,488.05
  6. Step 6: Final answer
    x = 3,025,064.35

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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.