Home / 1,615,076.82-2,228,905.55-889,924.42

Finding the Fourth Proportional to 1,615,076.82, 2,228,905.55 and 889,924.42

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Solution

The fourth proportional to 1,615,076.82, 2,228,905.55 and 889,924.42 is: 1,228,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,076.82 : 2,228,905.55 = 889,924.42 : x
  2. Step 2: Convert to fraction form
    1,615,076.82/2,228,905.55 = 889,924.42/x
  3. Step 3: Cross multiply
    1,615,076.82x = 2,228,905.55 × 889,924.42
  4. Step 4: Simplify right side
    1,615,076.82x = 1,983,557,483,829.47
  5. Step 5: Solve for x
    x = 1,983,557,483,829.47/1,615,076.82
  6. Step 6: Final answer
    x = 1,228,150.55

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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.