Home / 3,901,155.10-5,383,602.90-2,158,951.26

Finding the Fourth Proportional to 3,901,155.10, 5,383,602.90 and 2,158,951.26

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Solution

The fourth proportional to 3,901,155.10, 5,383,602.90 and 2,158,951.26 is: 2,979,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,155.10 : 5,383,602.90 = 2,158,951.26 : x
  2. Step 2: Convert to fraction form
    3,901,155.10/5,383,602.90 = 2,158,951.26/x
  3. Step 3: Cross multiply
    3,901,155.10x = 5,383,602.90 × 2,158,951.26
  4. Step 4: Simplify right side
    3,901,155.10x = 11,622,936,260,233.17
  5. Step 5: Solve for x
    x = 11,622,936,260,233.17/3,901,155.10
  6. Step 6: Final answer
    x = 2,979,357.64

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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.