Home / 3,613,054.41-4,985,743.91-1,981,200.33

Finding the Fourth Proportional to 3,613,054.41, 4,985,743.91 and 1,981,200.33

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Solution

The fourth proportional to 3,613,054.41, 4,985,743.91 and 1,981,200.33 is: 2,733,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,054.41 : 4,985,743.91 = 1,981,200.33 : x
  2. Step 2: Convert to fraction form
    3,613,054.41/4,985,743.91 = 1,981,200.33/x
  3. Step 3: Cross multiply
    3,613,054.41x = 4,985,743.91 × 1,981,200.33
  4. Step 4: Simplify right side
    3,613,054.41x = 9,877,757,469,881.49
  5. Step 5: Solve for x
    x = 9,877,757,469,881.49/3,613,054.41
  6. Step 6: Final answer
    x = 2,733,907.75

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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.