Home / 3,765,983.79-5,197,299.09-2,112,286.17

Finding the Fourth Proportional to 3,765,983.79, 5,197,299.09 and 2,112,286.17

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Solution

The fourth proportional to 3,765,983.79, 5,197,299.09 and 2,112,286.17 is: 2,915,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,983.79 : 5,197,299.09 = 2,112,286.17 : x
  2. Step 2: Convert to fraction form
    3,765,983.79/5,197,299.09 = 2,112,286.17/x
  3. Step 3: Cross multiply
    3,765,983.79x = 5,197,299.09 × 2,112,286.17
  4. Step 4: Simplify right side
    3,765,983.79x = 10,978,182,989,160.58
  5. Step 5: Solve for x
    x = 10,978,182,989,160.58/3,765,983.79
  6. Step 6: Final answer
    x = 2,915,090.35

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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.