Home / 2,131,585.11-3,199,652.75-917,762.43

Finding the Fourth Proportional to 2,131,585.11, 3,199,652.75 and 917,762.43

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Solution

The fourth proportional to 2,131,585.11, 3,199,652.75 and 917,762.43 is: 1,377,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,585.11 : 3,199,652.75 = 917,762.43 : x
  2. Step 2: Convert to fraction form
    2,131,585.11/3,199,652.75 = 917,762.43/x
  3. Step 3: Cross multiply
    2,131,585.11x = 3,199,652.75 × 917,762.43
  4. Step 4: Simplify right side
    2,131,585.11x = 2,936,521,082,996.18
  5. Step 5: Solve for x
    x = 2,936,521,082,996.18/2,131,585.11
  6. Step 6: Final answer
    x = 1,377,623.19

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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.