Home / 1,930,644.80-2,895,448.80-808,481.60

Finding the Fourth Proportional to 1,930,644.80, 2,895,448.80 and 808,481.60

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Solution

The fourth proportional to 1,930,644.80, 2,895,448.80 and 808,481.60 is: 1,212,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,644.80 : 2,895,448.80 = 808,481.60 : x
  2. Step 2: Convert to fraction form
    1,930,644.80/2,895,448.80 = 808,481.60/x
  3. Step 3: Cross multiply
    1,930,644.80x = 2,895,448.80 × 808,481.60
  4. Step 4: Simplify right side
    1,930,644.80x = 2,340,917,078,542.08
  5. Step 5: Solve for x
    x = 2,340,917,078,542.08/1,930,644.80
  6. Step 6: Final answer
    x = 1,212,505.31

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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.