Home / 2,198,907.79-3,293,871.45-1,131,707.81

Finding the Fourth Proportional to 2,198,907.79, 3,293,871.45 and 1,131,707.81

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Solution

The fourth proportional to 2,198,907.79, 3,293,871.45 and 1,131,707.81 is: 1,695,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,907.79 : 3,293,871.45 = 1,131,707.81 : x
  2. Step 2: Convert to fraction form
    2,198,907.79/3,293,871.45 = 1,131,707.81/x
  3. Step 3: Cross multiply
    2,198,907.79x = 3,293,871.45 × 1,131,707.81
  4. Step 4: Simplify right side
    2,198,907.79x = 3,727,700,049,091.80
  5. Step 5: Solve for x
    x = 3,727,700,049,091.80/2,198,907.79
  6. Step 6: Final answer
    x = 1,695,250.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.