Home / 2,253,558.21-3,109,905.22-1,221,094.17

Finding the Fourth Proportional to 2,253,558.21, 3,109,905.22 and 1,221,094.17

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Solution

The fourth proportional to 2,253,558.21, 3,109,905.22 and 1,221,094.17 is: 1,685,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,558.21 : 3,109,905.22 = 1,221,094.17 : x
  2. Step 2: Convert to fraction form
    2,253,558.21/3,109,905.22 = 1,221,094.17/x
  3. Step 3: Cross multiply
    2,253,558.21x = 3,109,905.22 × 1,221,094.17
  4. Step 4: Simplify right side
    2,253,558.21x = 3,797,487,133,394.57
  5. Step 5: Solve for x
    x = 3,797,487,133,394.57/2,253,558.21
  6. Step 6: Final answer
    x = 1,685,107.19

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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.