Home / 2,479,067.85-3,421,120.22-1,376,501.30

Finding the Fourth Proportional to 2,479,067.85, 3,421,120.22 and 1,376,501.30

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Solution

The fourth proportional to 2,479,067.85, 3,421,120.22 and 1,376,501.30 is: 1,899,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,067.85 : 3,421,120.22 = 1,376,501.30 : x
  2. Step 2: Convert to fraction form
    2,479,067.85/3,421,120.22 = 1,376,501.30/x
  3. Step 3: Cross multiply
    2,479,067.85x = 3,421,120.22 × 1,376,501.30
  4. Step 4: Simplify right side
    2,479,067.85x = 4,709,176,406,298.18
  5. Step 5: Solve for x
    x = 4,709,176,406,298.18/2,479,067.85
  6. Step 6: Final answer
    x = 1,899,575.44

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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.