Home / 2,794,982.40-4,192,473.60-1,787,212.80

Finding the Fourth Proportional to 2,794,982.40, 4,192,473.60 and 1,787,212.80

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Solution

The fourth proportional to 2,794,982.40, 4,192,473.60 and 1,787,212.80 is: 2,680,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794,982.40 : 4,192,473.60 = 1,787,212.80 : x
  2. Step 2: Convert to fraction form
    2,794,982.40/4,192,473.60 = 1,787,212.80/x
  3. Step 3: Cross multiply
    2,794,982.40x = 4,192,473.60 × 1,787,212.80
  4. Step 4: Simplify right side
    2,794,982.40x = 7,492,842,481,582.08
  5. Step 5: Solve for x
    x = 7,492,842,481,582.08/2,794,982.40
  6. Step 6: Final answer
    x = 2,680,819.20

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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.