Home / 2,192,675.05-3,025,911.70-1,212,563.43

Finding the Fourth Proportional to 2,192,675.05, 3,025,911.70 and 1,212,563.43

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Solution

The fourth proportional to 2,192,675.05, 3,025,911.70 and 1,212,563.43 is: 1,673,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,675.05 : 3,025,911.70 = 1,212,563.43 : x
  2. Step 2: Convert to fraction form
    2,192,675.05/3,025,911.70 = 1,212,563.43/x
  3. Step 3: Cross multiply
    2,192,675.05x = 3,025,911.70 × 1,212,563.43
  4. Step 4: Simplify right side
    2,192,675.05x = 3,669,109,875,047.40
  5. Step 5: Solve for x
    x = 3,669,109,875,047.40/2,192,675.05
  6. Step 6: Final answer
    x = 1,673,348.67

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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.