Home / 2,230,695.50-3,078,379.26-1,212,100.25

Finding the Fourth Proportional to 2,230,695.50, 3,078,379.26 and 1,212,100.25

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Solution

The fourth proportional to 2,230,695.50, 3,078,379.26 and 1,212,100.25 is: 1,672,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,695.50 : 3,078,379.26 = 1,212,100.25 : x
  2. Step 2: Convert to fraction form
    2,230,695.50/3,078,379.26 = 1,212,100.25/x
  3. Step 3: Cross multiply
    2,230,695.50x = 3,078,379.26 × 1,212,100.25
  4. Step 4: Simplify right side
    2,230,695.50x = 3,731,304,255,248.92
  5. Step 5: Solve for x
    x = 3,731,304,255,248.92/2,230,695.50
  6. Step 6: Final answer
    x = 1,672,708.92

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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.