Home / 1,224,105.40-1,836,158.10-1,203,110.20

Finding the Fourth Proportional to 1,224,105.40, 1,836,158.10 and 1,203,110.20

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Solution

The fourth proportional to 1,224,105.40, 1,836,158.10 and 1,203,110.20 is: 1,804,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,105.40 : 1,836,158.10 = 1,203,110.20 : x
  2. Step 2: Convert to fraction form
    1,224,105.40/1,836,158.10 = 1,203,110.20/x
  3. Step 3: Cross multiply
    1,224,105.40x = 1,836,158.10 × 1,203,110.20
  4. Step 4: Simplify right side
    1,224,105.40x = 2,209,100,538,922.62
  5. Step 5: Solve for x
    x = 2,209,100,538,922.62/1,224,105.40
  6. Step 6: Final answer
    x = 1,804,665.30

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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.