Home / 3,208,786.36-4,813,080.72-1,314,100.78

Finding the Fourth Proportional to 3,208,786.36, 4,813,080.72 and 1,314,100.78

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Solution

The fourth proportional to 3,208,786.36, 4,813,080.72 and 1,314,100.78 is: 1,971,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,786.36 : 4,813,080.72 = 1,314,100.78 : x
  2. Step 2: Convert to fraction form
    3,208,786.36/4,813,080.72 = 1,314,100.78/x
  3. Step 3: Cross multiply
    3,208,786.36x = 4,813,080.72 × 1,314,100.78
  4. Step 4: Simplify right side
    3,208,786.36x = 6,324,873,128,354.96
  5. Step 5: Solve for x
    x = 6,324,873,128,354.96/3,208,786.36
  6. Step 6: Final answer
    x = 1,971,110.70

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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.