Home / 1,945,469.80-2,916,822.30-881,021.80

Finding the Fourth Proportional to 1,945,469.80, 2,916,822.30 and 881,021.80

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Solution

The fourth proportional to 1,945,469.80, 2,916,822.30 and 881,021.80 is: 1,320,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,469.80 : 2,916,822.30 = 881,021.80 : x
  2. Step 2: Convert to fraction form
    1,945,469.80/2,916,822.30 = 881,021.80/x
  3. Step 3: Cross multiply
    1,945,469.80x = 2,916,822.30 × 881,021.80
  4. Step 4: Simplify right side
    1,945,469.80x = 2,569,784,033,026.14
  5. Step 5: Solve for x
    x = 2,569,784,033,026.14/1,945,469.80
  6. Step 6: Final answer
    x = 1,320,906.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.