Home / 3,610,556.30-4,982,557.42-1,978,958.62

Finding the Fourth Proportional to 3,610,556.30, 4,982,557.42 and 1,978,958.62

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Solution

The fourth proportional to 3,610,556.30, 4,982,557.42 and 1,978,958.62 is: 2,730,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,556.30 : 4,982,557.42 = 1,978,958.62 : x
  2. Step 2: Convert to fraction form
    3,610,556.30/4,982,557.42 = 1,978,958.62/x
  3. Step 3: Cross multiply
    3,610,556.30x = 4,982,557.42 × 1,978,958.62
  4. Step 4: Simplify right side
    3,610,556.30x = 9,860,274,955,953.96
  5. Step 5: Solve for x
    x = 9,860,274,955,953.96/3,610,556.30
  6. Step 6: Final answer
    x = 2,730,957.26

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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.