Home / 1,904,046.55-2,855,964.42-1,392,236.30

Finding the Fourth Proportional to 1,904,046.55, 2,855,964.42 and 1,392,236.30

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Solution

The fourth proportional to 1,904,046.55, 2,855,964.42 and 1,392,236.30 is: 2,088,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,046.55 : 2,855,964.42 = 1,392,236.30 : x
  2. Step 2: Convert to fraction form
    1,904,046.55/2,855,964.42 = 1,392,236.30/x
  3. Step 3: Cross multiply
    1,904,046.55x = 2,855,964.42 × 1,392,236.30
  4. Step 4: Simplify right side
    1,904,046.55x = 3,976,177,344,172.36
  5. Step 5: Solve for x
    x = 3,976,177,344,172.36/1,904,046.55
  6. Step 6: Final answer
    x = 2,088,277.38

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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.