Home / 3,845,709.61-5,306,489.64-2,213,801.66

Finding the Fourth Proportional to 3,845,709.61, 5,306,489.64 and 2,213,801.66

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Solution

The fourth proportional to 3,845,709.61, 5,306,489.64 and 2,213,801.66 is: 3,054,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,709.61 : 5,306,489.64 = 2,213,801.66 : x
  2. Step 2: Convert to fraction form
    3,845,709.61/5,306,489.64 = 2,213,801.66/x
  3. Step 3: Cross multiply
    3,845,709.61x = 5,306,489.64 × 2,213,801.66
  4. Step 4: Simplify right side
    3,845,709.61x = 11,747,515,587,071.03
  5. Step 5: Solve for x
    x = 11,747,515,587,071.03/3,845,709.61
  6. Step 6: Final answer
    x = 3,054,706.88

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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.