Home / 3,719,028.37-5,131,864.77-2,087,615.22

Finding the Fourth Proportional to 3,719,028.37, 5,131,864.77 and 2,087,615.22

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Solution

The fourth proportional to 3,719,028.37, 5,131,864.77 and 2,087,615.22 is: 2,880,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719,028.37 : 5,131,864.77 = 2,087,615.22 : x
  2. Step 2: Convert to fraction form
    3,719,028.37/5,131,864.77 = 2,087,615.22/x
  3. Step 3: Cross multiply
    3,719,028.37x = 5,131,864.77 × 2,087,615.22
  4. Step 4: Simplify right side
    3,719,028.37x = 10,713,359,000,833.80
  5. Step 5: Solve for x
    x = 10,713,359,000,833.80/3,719,028.37
  6. Step 6: Final answer
    x = 2,880,687.62

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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.