Home / 5,078,723.90-7,008,629.09-2,755,615.68

Finding the Fourth Proportional to 5,078,723.90, 7,008,629.09 and 2,755,615.68

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Solution

The fourth proportional to 5,078,723.90, 7,008,629.09 and 2,755,615.68 is: 3,802,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,723.90 : 7,008,629.09 = 2,755,615.68 : x
  2. Step 2: Convert to fraction form
    5,078,723.90/7,008,629.09 = 2,755,615.68/x
  3. Step 3: Cross multiply
    5,078,723.90x = 7,008,629.09 × 2,755,615.68
  4. Step 4: Simplify right side
    5,078,723.90x = 19,313,088,201,930.05
  5. Step 5: Solve for x
    x = 19,313,088,201,930.05/5,078,723.90
  6. Step 6: Final answer
    x = 3,802,744.27

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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.