Home / 2,894,728.80-3,995,204.04-1,605,984.39

Finding the Fourth Proportional to 2,894,728.80, 3,995,204.04 and 1,605,984.39

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Solution

The fourth proportional to 2,894,728.80, 3,995,204.04 and 1,605,984.39 is: 2,216,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,728.80 : 3,995,204.04 = 1,605,984.39 : x
  2. Step 2: Convert to fraction form
    2,894,728.80/3,995,204.04 = 1,605,984.39/x
  3. Step 3: Cross multiply
    2,894,728.80x = 3,995,204.04 × 1,605,984.39
  4. Step 4: Simplify right side
    2,894,728.80x = 6,416,235,323,104.94
  5. Step 5: Solve for x
    x = 6,416,235,323,104.94/2,894,728.80
  6. Step 6: Final answer
    x = 2,216,523.81

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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.