Home / 1,992,079.40-2,987,730.30-662,383.40

Finding the Fourth Proportional to 1,992,079.40, 2,987,730.30 and 662,383.40

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Solution

The fourth proportional to 1,992,079.40, 2,987,730.30 and 662,383.40 is: 993,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,079.40 : 2,987,730.30 = 662,383.40 : x
  2. Step 2: Convert to fraction form
    1,992,079.40/2,987,730.30 = 662,383.40/x
  3. Step 3: Cross multiply
    1,992,079.40x = 2,987,730.30 × 662,383.40
  4. Step 4: Simplify right side
    1,992,079.40x = 1,979,022,954,397.02
  5. Step 5: Solve for x
    x = 1,979,022,954,397.02/1,992,079.40
  6. Step 6: Final answer
    x = 993,445.82

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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.