Home / 5,424,474.38-8,139,366.76-2,185,877.30

Finding the Fourth Proportional to 5,424,474.38, 8,139,366.76 and 2,185,877.30

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Solution

The fourth proportional to 5,424,474.38, 8,139,366.76 and 2,185,877.30 is: 3,279,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,474.38 : 8,139,366.76 = 2,185,877.30 : x
  2. Step 2: Convert to fraction form
    5,424,474.38/8,139,366.76 = 2,185,877.30/x
  3. Step 3: Cross multiply
    5,424,474.38x = 8,139,366.76 × 2,185,877.30
  4. Step 4: Simplify right side
    5,424,474.38x = 17,791,657,037,058.55
  5. Step 5: Solve for x
    x = 17,791,657,037,058.55/5,424,474.38
  6. Step 6: Final answer
    x = 3,279,885.90

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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.