Home / 3,613,797.66-5,420,805.84-918,123.42

Finding the Fourth Proportional to 3,613,797.66, 5,420,805.84 and 918,123.42

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Solution

The fourth proportional to 3,613,797.66, 5,420,805.84 and 918,123.42 is: 1,377,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,797.66 : 5,420,805.84 = 918,123.42 : x
  2. Step 2: Convert to fraction form
    3,613,797.66/5,420,805.84 = 918,123.42/x
  3. Step 3: Cross multiply
    3,613,797.66x = 5,420,805.84 × 918,123.42
  4. Step 4: Simplify right side
    3,613,797.66x = 4,976,968,796,976.77
  5. Step 5: Solve for x
    x = 4,976,968,796,976.77/3,613,797.66
  6. Step 6: Final answer
    x = 1,377,212.91

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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.