Home / 4,120,789.95-5,680,136.24-3,248,209.76

Finding the Fourth Proportional to 4,120,789.95, 5,680,136.24 and 3,248,209.76

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Solution

The fourth proportional to 4,120,789.95, 5,680,136.24 and 3,248,209.76 is: 4,477,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,789.95 : 5,680,136.24 = 3,248,209.76 : x
  2. Step 2: Convert to fraction form
    4,120,789.95/5,680,136.24 = 3,248,209.76/x
  3. Step 3: Cross multiply
    4,120,789.95x = 5,680,136.24 × 3,248,209.76
  4. Step 4: Simplify right side
    4,120,789.95x = 18,450,273,940,436.76
  5. Step 5: Solve for x
    x = 18,450,273,940,436.76/4,120,789.95
  6. Step 6: Final answer
    x = 4,477,363.36

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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.