Home / 2,217,539.78-3,060,202.30-1,198,942.10

Finding the Fourth Proportional to 2,217,539.78, 3,060,202.30 and 1,198,942.10

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Solution

The fourth proportional to 2,217,539.78, 3,060,202.30 and 1,198,942.10 is: 1,654,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,539.78 : 3,060,202.30 = 1,198,942.10 : x
  2. Step 2: Convert to fraction form
    2,217,539.78/3,060,202.30 = 1,198,942.10/x
  3. Step 3: Cross multiply
    2,217,539.78x = 3,060,202.30 × 1,198,942.10
  4. Step 4: Simplify right side
    2,217,539.78x = 3,669,005,353,688.46
  5. Step 5: Solve for x
    x = 3,669,005,353,688.46/2,217,539.78
  6. Step 6: Final answer
    x = 1,654,538.69

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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.