Home / 2,479,436.11-3,421,385.49-1,391,458.29

Finding the Fourth Proportional to 2,479,436.11, 3,421,385.49 and 1,391,458.29

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Solution

The fourth proportional to 2,479,436.11, 3,421,385.49 and 1,391,458.29 is: 1,920,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,436.11 : 3,421,385.49 = 1,391,458.29 : x
  2. Step 2: Convert to fraction form
    2,479,436.11/3,421,385.49 = 1,391,458.29/x
  3. Step 3: Cross multiply
    2,479,436.11x = 3,421,385.49 × 1,391,458.29
  4. Step 4: Simplify right side
    2,479,436.11x = 4,760,715,203,346.21
  5. Step 5: Solve for x
    x = 4,760,715,203,346.21/2,479,436.11
  6. Step 6: Final answer
    x = 1,920,079.81

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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.