Home / 3,610,389.96-4,982,231.16-1,978,761.60

Finding the Fourth Proportional to 3,610,389.96, 4,982,231.16 and 1,978,761.60

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Solution

The fourth proportional to 3,610,389.96, 4,982,231.16 and 1,978,761.60 is: 2,730,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,389.96 : 4,982,231.16 = 1,978,761.60 : x
  2. Step 2: Convert to fraction form
    3,610,389.96/4,982,231.16 = 1,978,761.60/x
  3. Step 3: Cross multiply
    3,610,389.96x = 4,982,231.16 × 1,978,761.60
  4. Step 4: Simplify right side
    3,610,389.96x = 9,858,647,701,731.46
  5. Step 5: Solve for x
    x = 9,858,647,701,731.46/3,610,389.96
  6. Step 6: Final answer
    x = 2,730,632.37

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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.