Home / 1,950,496.73-2,690,508.51-1,288,212.65

Finding the Fourth Proportional to 1,950,496.73, 2,690,508.51 and 1,288,212.65

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Solution

The fourth proportional to 1,950,496.73, 2,690,508.51 and 1,288,212.65 is: 1,776,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,496.73 : 2,690,508.51 = 1,288,212.65 : x
  2. Step 2: Convert to fraction form
    1,950,496.73/2,690,508.51 = 1,288,212.65/x
  3. Step 3: Cross multiply
    1,950,496.73x = 2,690,508.51 × 1,288,212.65
  4. Step 4: Simplify right side
    1,950,496.73x = 3,465,947,097,514.65
  5. Step 5: Solve for x
    x = 3,465,947,097,514.65/1,950,496.73
  6. Step 6: Final answer
    x = 1,776,956.12

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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.