Home / 1,857,101.54-2,785,653.22-1,225,867.82

Finding the Fourth Proportional to 1,857,101.54, 2,785,653.22 and 1,225,867.82

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Solution

The fourth proportional to 1,857,101.54, 2,785,653.22 and 1,225,867.82 is: 1,838,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,101.54 : 2,785,653.22 = 1,225,867.82 : x
  2. Step 2: Convert to fraction form
    1,857,101.54/2,785,653.22 = 1,225,867.82/x
  3. Step 3: Cross multiply
    1,857,101.54x = 2,785,653.22 × 1,225,867.82
  4. Step 4: Simplify right side
    1,857,101.54x = 3,414,842,640,077.38
  5. Step 5: Solve for x
    x = 3,414,842,640,077.38/1,857,101.54
  6. Step 6: Final answer
    x = 1,838,802.33

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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.