Home / 2,147,220.50-2,963,201.73-1,180,391.54

Finding the Fourth Proportional to 2,147,220.50, 2,963,201.73 and 1,180,391.54

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Solution

The fourth proportional to 2,147,220.50, 2,963,201.73 and 1,180,391.54 is: 1,628,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,220.50 : 2,963,201.73 = 1,180,391.54 : x
  2. Step 2: Convert to fraction form
    2,147,220.50/2,963,201.73 = 1,180,391.54/x
  3. Step 3: Cross multiply
    2,147,220.50x = 2,963,201.73 × 1,180,391.54
  4. Step 4: Simplify right side
    2,147,220.50x = 3,497,738,253,405.36
  5. Step 5: Solve for x
    x = 3,497,738,253,405.36/2,147,220.50
  6. Step 6: Final answer
    x = 1,628,960.91

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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.