Home / 1,781,640.36-2,669,311.26-1,181,177.64

Finding the Fourth Proportional to 1,781,640.36, 2,669,311.26 and 1,181,177.64

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Solution

The fourth proportional to 1,781,640.36, 2,669,311.26 and 1,181,177.64 is: 1,769,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,640.36 : 2,669,311.26 = 1,181,177.64 : x
  2. Step 2: Convert to fraction form
    1,781,640.36/2,669,311.26 = 1,181,177.64/x
  3. Step 3: Cross multiply
    1,781,640.36x = 2,669,311.26 × 1,181,177.64
  4. Step 4: Simplify right side
    1,781,640.36x = 3,152,930,774,512.23
  5. Step 5: Solve for x
    x = 3,152,930,774,512.23/1,781,640.36
  6. Step 6: Final answer
    x = 1,769,678.58

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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.