Home / 1,469,309.80-2,201,631.90-1,091,396.20

Finding the Fourth Proportional to 1,469,309.80, 2,201,631.90 and 1,091,396.20

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Solution

The fourth proportional to 1,469,309.80, 2,201,631.90 and 1,091,396.20 is: 1,635,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,309.80 : 2,201,631.90 = 1,091,396.20 : x
  2. Step 2: Convert to fraction form
    1,469,309.80/2,201,631.90 = 1,091,396.20/x
  3. Step 3: Cross multiply
    1,469,309.80x = 2,201,631.90 × 1,091,396.20
  4. Step 4: Simplify right side
    1,469,309.80x = 2,402,852,689,458.78
  5. Step 5: Solve for x
    x = 2,402,852,689,458.78/1,469,309.80
  6. Step 6: Final answer
    x = 1,635,361.51

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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.