Home / 5,120,140.05-7,066,007.82-2,944,684.69

Finding the Fourth Proportional to 5,120,140.05, 7,066,007.82 and 2,944,684.69

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Solution

The fourth proportional to 5,120,140.05, 7,066,007.82 and 2,944,684.69 is: 4,063,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,140.05 : 7,066,007.82 = 2,944,684.69 : x
  2. Step 2: Convert to fraction form
    5,120,140.05/7,066,007.82 = 2,944,684.69/x
  3. Step 3: Cross multiply
    5,120,140.05x = 7,066,007.82 × 2,944,684.69
  4. Step 4: Simplify right side
    5,120,140.05x = 20,807,165,029,309.26
  5. Step 5: Solve for x
    x = 20,807,165,029,309.26/5,120,140.05
  6. Step 6: Final answer
    x = 4,063,788.26

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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.