Home / 3,970,719.36-5,475,781.44-2,666,917.44

Finding the Fourth Proportional to 3,970,719.36, 5,475,781.44 and 2,666,917.44

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Solution

The fourth proportional to 3,970,719.36, 5,475,781.44 and 2,666,917.44 is: 3,677,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,719.36 : 5,475,781.44 = 2,666,917.44 : x
  2. Step 2: Convert to fraction form
    3,970,719.36/5,475,781.44 = 2,666,917.44/x
  3. Step 3: Cross multiply
    3,970,719.36x = 5,475,781.44 × 2,666,917.44
  4. Step 4: Simplify right side
    3,970,719.36x = 14,603,457,019,964.31
  5. Step 5: Solve for x
    x = 14,603,457,019,964.31/3,970,719.36
  6. Step 6: Final answer
    x = 3,677,786.24

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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.