Home / 2,205,736.52-3,043,558.46-1,378,712.20

Finding the Fourth Proportional to 2,205,736.52, 3,043,558.46 and 1,378,712.20

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Solution

The fourth proportional to 2,205,736.52, 3,043,558.46 and 1,378,712.20 is: 1,902,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,736.52 : 3,043,558.46 = 1,378,712.20 : x
  2. Step 2: Convert to fraction form
    2,205,736.52/3,043,558.46 = 1,378,712.20/x
  3. Step 3: Cross multiply
    2,205,736.52x = 3,043,558.46 × 1,378,712.20
  4. Step 4: Simplify right side
    2,205,736.52x = 4,196,191,180,215.21
  5. Step 5: Solve for x
    x = 4,196,191,180,215.21/2,205,736.52
  6. Step 6: Final answer
    x = 1,902,399.10

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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.