Home / 3,896,557.60-5,377,310.40-2,177,789.44

Finding the Fourth Proportional to 3,896,557.60, 5,377,310.40 and 2,177,789.44

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Solution

The fourth proportional to 3,896,557.60, 5,377,310.40 and 2,177,789.44 is: 3,005,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,557.60 : 5,377,310.40 = 2,177,789.44 : x
  2. Step 2: Convert to fraction form
    3,896,557.60/5,377,310.40 = 2,177,789.44/x
  3. Step 3: Cross multiply
    3,896,557.60x = 5,377,310.40 × 2,177,789.44
  4. Step 4: Simplify right side
    3,896,557.60x = 11,710,649,804,722.18
  5. Step 5: Solve for x
    x = 11,710,649,804,722.18/3,896,557.60
  6. Step 6: Final answer
    x = 3,005,383.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.