Home / 2,847,149.85-3,929,066.64-1,557,990.39

Finding the Fourth Proportional to 2,847,149.85, 3,929,066.64 and 1,557,990.39

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Solution

The fourth proportional to 2,847,149.85, 3,929,066.64 and 1,557,990.39 is: 2,150,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,149.85 : 3,929,066.64 = 1,557,990.39 : x
  2. Step 2: Convert to fraction form
    2,847,149.85/3,929,066.64 = 1,557,990.39/x
  3. Step 3: Cross multiply
    2,847,149.85x = 3,929,066.64 × 1,557,990.39
  4. Step 4: Simplify right side
    2,847,149.85x = 6,121,448,066,789.59
  5. Step 5: Solve for x
    x = 6,121,448,066,789.59/2,847,149.85
  6. Step 6: Final answer
    x = 2,150,026.65

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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.