Home / 2,885,979-3,982,638.06-1,661,837.88

Finding the Fourth Proportional to 2,885,979, 3,982,638.06 and 1,661,837.88

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Solution

The fourth proportional to 2,885,979, 3,982,638.06 and 1,661,837.88 is: 2,293,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,979 : 3,982,638.06 = 1,661,837.88 : x
  2. Step 2: Convert to fraction form
    2,885,979/3,982,638.06 = 1,661,837.88/x
  3. Step 3: Cross multiply
    2,885,979x = 3,982,638.06 × 1,661,837.88
  4. Step 4: Simplify right side
    2,885,979x = 6,618,498,790,437.71
  5. Step 5: Solve for x
    x = 6,618,498,790,437.71/2,885,979
  6. Step 6: Final answer
    x = 2,293,328.81

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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.