Home / 2,847,145.60-3,929,060.77-1,557,986.14

Finding the Fourth Proportional to 2,847,145.60, 3,929,060.77 and 1,557,986.14

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Solution

The fourth proportional to 2,847,145.60, 3,929,060.77 and 1,557,986.14 is: 2,150,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,145.60 : 3,929,060.77 = 1,557,986.14 : x
  2. Step 2: Convert to fraction form
    2,847,145.60/3,929,060.77 = 1,557,986.14/x
  3. Step 3: Cross multiply
    2,847,145.60x = 3,929,060.77 × 1,557,986.14
  4. Step 4: Simplify right side
    2,847,145.60x = 6,121,422,222,877.73
  5. Step 5: Solve for x
    x = 6,121,422,222,877.73/2,847,145.60
  6. Step 6: Final answer
    x = 2,150,020.79

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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.