Home / 1,856,945.56-2,785,418.34-1,225,711.75

Finding the Fourth Proportional to 1,856,945.56, 2,785,418.34 and 1,225,711.75

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Solution

The fourth proportional to 1,856,945.56, 2,785,418.34 and 1,225,711.75 is: 1,838,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,945.56 : 2,785,418.34 = 1,225,711.75 : x
  2. Step 2: Convert to fraction form
    1,856,945.56/2,785,418.34 = 1,225,711.75/x
  3. Step 3: Cross multiply
    1,856,945.56x = 2,785,418.34 × 1,225,711.75
  4. Step 4: Simplify right side
    1,856,945.56x = 3,414,119,988,003.49
  5. Step 5: Solve for x
    x = 3,414,119,988,003.49/1,856,945.56
  6. Step 6: Final answer
    x = 1,838,567.63

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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.