Home / 3,988,885.80-5,979,246.30-1,964,015.40

Finding the Fourth Proportional to 3,988,885.80, 5,979,246.30 and 1,964,015.40

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Solution

The fourth proportional to 3,988,885.80, 5,979,246.30 and 1,964,015.40 is: 2,944,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,885.80 : 5,979,246.30 = 1,964,015.40 : x
  2. Step 2: Convert to fraction form
    3,988,885.80/5,979,246.30 = 1,964,015.40/x
  3. Step 3: Cross multiply
    3,988,885.80x = 5,979,246.30 × 1,964,015.40
  4. Step 4: Simplify right side
    3,988,885.80x = 11,743,331,813,593.02
  5. Step 5: Solve for x
    x = 11,743,331,813,593.02/3,988,885.80
  6. Step 6: Final answer
    x = 2,944,013.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.