Home / 2,153,196.88-3,229,795.32-636,761.66

Finding the Fourth Proportional to 2,153,196.88, 3,229,795.32 and 636,761.66

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Solution

The fourth proportional to 2,153,196.88, 3,229,795.32 and 636,761.66 is: 955,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,196.88 : 3,229,795.32 = 636,761.66 : x
  2. Step 2: Convert to fraction form
    2,153,196.88/3,229,795.32 = 636,761.66/x
  3. Step 3: Cross multiply
    2,153,196.88x = 3,229,795.32 × 636,761.66
  4. Step 4: Simplify right side
    2,153,196.88x = 2,056,609,810,886.60
  5. Step 5: Solve for x
    x = 2,056,609,810,886.60/2,153,196.88
  6. Step 6: Final answer
    x = 955,142.48

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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.