Home / 3,228,383.36-4,455,371.24-1,778,078.48

Finding the Fourth Proportional to 3,228,383.36, 4,455,371.24 and 1,778,078.48

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Solution

The fourth proportional to 3,228,383.36, 4,455,371.24 and 1,778,078.48 is: 2,453,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,383.36 : 4,455,371.24 = 1,778,078.48 : x
  2. Step 2: Convert to fraction form
    3,228,383.36/4,455,371.24 = 1,778,078.48/x
  3. Step 3: Cross multiply
    3,228,383.36x = 4,455,371.24 × 1,778,078.48
  4. Step 4: Simplify right side
    3,228,383.36x = 7,921,999,722,254.92
  5. Step 5: Solve for x
    x = 7,921,999,722,254.92/3,228,383.36
  6. Step 6: Final answer
    x = 2,453,859.67

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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.