Home / 1,846,809.20-2,765,548.20-1,212,287.60

Finding the Fourth Proportional to 1,846,809.20, 2,765,548.20 and 1,212,287.60

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Solution

The fourth proportional to 1,846,809.20, 2,765,548.20 and 1,212,287.60 is: 1,815,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846,809.20 : 2,765,548.20 = 1,212,287.60 : x
  2. Step 2: Convert to fraction form
    1,846,809.20/2,765,548.20 = 1,212,287.60/x
  3. Step 3: Cross multiply
    1,846,809.20x = 2,765,548.20 × 1,212,287.60
  4. Step 4: Simplify right side
    1,846,809.20x = 3,352,639,790,062.32
  5. Step 5: Solve for x
    x = 3,352,639,790,062.32/1,846,809.20
  6. Step 6: Final answer
    x = 1,815,368.79

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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.