Home / 3,692,005.10-5,538,007.65-2,174,129.90

Finding the Fourth Proportional to 3,692,005.10, 5,538,007.65 and 2,174,129.90

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Solution

The fourth proportional to 3,692,005.10, 5,538,007.65 and 2,174,129.90 is: 3,261,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,005.10 : 5,538,007.65 = 2,174,129.90 : x
  2. Step 2: Convert to fraction form
    3,692,005.10/5,538,007.65 = 2,174,129.90/x
  3. Step 3: Cross multiply
    3,692,005.10x = 5,538,007.65 × 2,174,129.90
  4. Step 4: Simplify right side
    3,692,005.10x = 12,040,348,018,293.73
  5. Step 5: Solve for x
    x = 12,040,348,018,293.73/3,692,005.10
  6. Step 6: Final answer
    x = 3,261,194.85

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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.