Home / 5,891,930.89-8,131,980.72-3,687,815.79

Finding the Fourth Proportional to 5,891,930.89, 8,131,980.72 and 3,687,815.79

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Solution

The fourth proportional to 5,891,930.89, 8,131,980.72 and 3,687,815.79 is: 5,089,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891,930.89 : 8,131,980.72 = 3,687,815.79 : x
  2. Step 2: Convert to fraction form
    5,891,930.89/8,131,980.72 = 3,687,815.79/x
  3. Step 3: Cross multiply
    5,891,930.89x = 8,131,980.72 × 3,687,815.79
  4. Step 4: Simplify right side
    5,891,930.89x = 29,989,246,917,020.88
  5. Step 5: Solve for x
    x = 29,989,246,917,020.88/5,891,930.89
  6. Step 6: Final answer
    x = 5,089,884.37

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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.