Home / 1,940,135.10-2,910,202.65-1,921,472.70

Finding the Fourth Proportional to 1,940,135.10, 2,910,202.65 and 1,921,472.70

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Solution

The fourth proportional to 1,940,135.10, 2,910,202.65 and 1,921,472.70 is: 2,882,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,135.10 : 2,910,202.65 = 1,921,472.70 : x
  2. Step 2: Convert to fraction form
    1,940,135.10/2,910,202.65 = 1,921,472.70/x
  3. Step 3: Cross multiply
    1,940,135.10x = 2,910,202.65 × 1,921,472.70
  4. Step 4: Simplify right side
    1,940,135.10x = 5,591,874,943,442.65
  5. Step 5: Solve for x
    x = 5,591,874,943,442.65/1,940,135.10
  6. Step 6: Final answer
    x = 2,882,209.05

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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.