Home / 2,205,745.52-3,043,570.88-1,378,721.20

Finding the Fourth Proportional to 2,205,745.52, 3,043,570.88 and 1,378,721.20

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Solution

The fourth proportional to 2,205,745.52, 3,043,570.88 and 1,378,721.20 is: 1,902,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,745.52 : 3,043,570.88 = 1,378,721.20 : x
  2. Step 2: Convert to fraction form
    2,205,745.52/3,043,570.88 = 1,378,721.20/x
  3. Step 3: Cross multiply
    2,205,745.52x = 3,043,570.88 × 1,378,721.20
  4. Step 4: Simplify right side
    2,205,745.52x = 4,196,235,695,958.66
  5. Step 5: Solve for x
    x = 4,196,235,695,958.66/2,205,745.52
  6. Step 6: Final answer
    x = 1,902,411.52

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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.