Home / 1,857,100.54-2,785,651.72-1,225,866.82

Finding the Fourth Proportional to 1,857,100.54, 2,785,651.72 and 1,225,866.82

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Solution

The fourth proportional to 1,857,100.54, 2,785,651.72 and 1,225,866.82 is: 1,838,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,100.54 : 2,785,651.72 = 1,225,866.82 : x
  2. Step 2: Convert to fraction form
    1,857,100.54/2,785,651.72 = 1,225,866.82/x
  3. Step 3: Cross multiply
    1,857,100.54x = 2,785,651.72 × 1,225,866.82
  4. Step 4: Simplify right side
    1,857,100.54x = 3,414,838,015,623.93
  5. Step 5: Solve for x
    x = 3,414,838,015,623.93/1,857,100.54
  6. Step 6: Final answer
    x = 1,838,800.83

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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.