Home / 2,179,227.61-3,007,374.48-1,212,447.85

Finding the Fourth Proportional to 2,179,227.61, 3,007,374.48 and 1,212,447.85

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Solution

The fourth proportional to 2,179,227.61, 3,007,374.48 and 1,212,447.85 is: 1,673,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,227.61 : 3,007,374.48 = 1,212,447.85 : x
  2. Step 2: Convert to fraction form
    2,179,227.61/3,007,374.48 = 1,212,447.85/x
  3. Step 3: Cross multiply
    2,179,227.61x = 3,007,374.48 × 1,212,447.85
  4. Step 4: Simplify right side
    2,179,227.61x = 3,646,284,722,420.87
  5. Step 5: Solve for x
    x = 3,646,284,722,420.87/2,179,227.61
  6. Step 6: Final answer
    x = 1,673,200.50

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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.