Home / 2,397,380.58-3,308,486.13-1,378,786.50

Finding the Fourth Proportional to 2,397,380.58, 3,308,486.13 and 1,378,786.50

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Solution

The fourth proportional to 2,397,380.58, 3,308,486.13 and 1,378,786.50 is: 1,902,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,380.58 : 3,308,486.13 = 1,378,786.50 : x
  2. Step 2: Convert to fraction form
    2,397,380.58/3,308,486.13 = 1,378,786.50/x
  3. Step 3: Cross multiply
    2,397,380.58x = 3,308,486.13 × 1,378,786.50
  4. Step 4: Simplify right side
    2,397,380.58x = 4,561,696,011,481.25
  5. Step 5: Solve for x
    x = 4,561,696,011,481.25/2,397,380.58
  6. Step 6: Final answer
    x = 1,902,783.42

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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.