Home / 3,718,699.92-5,131,590.30-2,086,954.92

Finding the Fourth Proportional to 3,718,699.92, 5,131,590.30 and 2,086,954.92

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Solution

The fourth proportional to 3,718,699.92, 5,131,590.30 and 2,086,954.92 is: 2,879,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718,699.92 : 5,131,590.30 = 2,086,954.92 : x
  2. Step 2: Convert to fraction form
    3,718,699.92/5,131,590.30 = 2,086,954.92/x
  3. Step 3: Cross multiply
    3,718,699.92x = 5,131,590.30 × 2,086,954.92
  4. Step 4: Simplify right side
    3,718,699.92x = 10,709,397,624,009.28
  5. Step 5: Solve for x
    x = 10,709,397,624,009.28/3,718,699.92
  6. Step 6: Final answer
    x = 2,879,876.80

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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.