Home / 5,538,346.87-8,307,453.48-1,439,304.82

Finding the Fourth Proportional to 5,538,346.87, 8,307,453.48 and 1,439,304.82

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Solution

The fourth proportional to 5,538,346.87, 8,307,453.48 and 1,439,304.82 is: 2,158,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538,346.87 : 8,307,453.48 = 1,439,304.82 : x
  2. Step 2: Convert to fraction form
    5,538,346.87/8,307,453.48 = 1,439,304.82/x
  3. Step 3: Cross multiply
    5,538,346.87x = 8,307,453.48 × 1,439,304.82
  4. Step 4: Simplify right side
    5,538,346.87x = 11,956,957,835,689.78
  5. Step 5: Solve for x
    x = 11,956,957,835,689.78/5,538,346.87
  6. Step 6: Final answer
    x = 2,158,939.86

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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.