Home / 3,286,942.20-4,921,555.95-2,578,354.20

Finding the Fourth Proportional to 3,286,942.20, 4,921,555.95 and 2,578,354.20

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Solution

The fourth proportional to 3,286,942.20, 4,921,555.95 and 2,578,354.20 is: 3,860,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,942.20 : 4,921,555.95 = 2,578,354.20 : x
  2. Step 2: Convert to fraction form
    3,286,942.20/4,921,555.95 = 2,578,354.20/x
  3. Step 3: Cross multiply
    3,286,942.20x = 4,921,555.95 × 2,578,354.20
  4. Step 4: Simplify right side
    3,286,942.20x = 12,689,514,454,217.49
  5. Step 5: Solve for x
    x = 12,689,514,454,217.49/3,286,942.20
  6. Step 6: Final answer
    x = 3,860,583.39

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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.