Home / 2,885,056.32-3,980,410.79-1,661,335.56

Finding the Fourth Proportional to 2,885,056.32, 3,980,410.79 and 1,661,335.56

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Solution

The fourth proportional to 2,885,056.32, 3,980,410.79 and 1,661,335.56 is: 2,292,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,056.32 : 3,980,410.79 = 1,661,335.56 : x
  2. Step 2: Convert to fraction form
    2,885,056.32/3,980,410.79 = 1,661,335.56/x
  3. Step 3: Cross multiply
    2,885,056.32x = 3,980,410.79 × 1,661,335.56
  4. Step 4: Simplify right side
    2,885,056.32x = 6,612,797,992,988.03
  5. Step 5: Solve for x
    x = 6,612,797,992,988.03/2,885,056.32
  6. Step 6: Final answer
    x = 2,292,086.27

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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.