Home / 5,190,911.05-7,163,876.13-2,868,007.46

Finding the Fourth Proportional to 5,190,911.05, 7,163,876.13 and 2,868,007.46

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Solution

The fourth proportional to 5,190,911.05, 7,163,876.13 and 2,868,007.46 is: 3,958,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,911.05 : 7,163,876.13 = 2,868,007.46 : x
  2. Step 2: Convert to fraction form
    5,190,911.05/7,163,876.13 = 2,868,007.46/x
  3. Step 3: Cross multiply
    5,190,911.05x = 7,163,876.13 × 2,868,007.46
  4. Step 4: Simplify right side
    5,190,911.05x = 20,546,050,183,355.93
  5. Step 5: Solve for x
    x = 20,546,050,183,355.93/5,190,911.05
  6. Step 6: Final answer
    x = 3,958,081.73

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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.