Home / 3,721,491.12-5,135,781.78-2,090,185.86

Finding the Fourth Proportional to 3,721,491.12, 5,135,781.78 and 2,090,185.86

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Solution

The fourth proportional to 3,721,491.12, 5,135,781.78 and 2,090,185.86 is: 2,884,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,491.12 : 5,135,781.78 = 2,090,185.86 : x
  2. Step 2: Convert to fraction form
    3,721,491.12/5,135,781.78 = 2,090,185.86/x
  3. Step 3: Cross multiply
    3,721,491.12x = 5,135,781.78 × 2,090,185.86
  4. Step 4: Simplify right side
    3,721,491.12x = 10,734,738,456,601.63
  5. Step 5: Solve for x
    x = 10,734,738,456,601.63/3,721,491.12
  6. Step 6: Final answer
    x = 2,884,526.15

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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.