Home / 2,942,540.80-4,416,001.68-2,186,143.36

Finding the Fourth Proportional to 2,942,540.80, 4,416,001.68 and 2,186,143.36

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Solution

The fourth proportional to 2,942,540.80, 4,416,001.68 and 2,186,143.36 is: 3,280,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,540.80 : 4,416,001.68 = 2,186,143.36 : x
  2. Step 2: Convert to fraction form
    2,942,540.80/4,416,001.68 = 2,186,143.36/x
  3. Step 3: Cross multiply
    2,942,540.80x = 4,416,001.68 × 2,186,143.36
  4. Step 4: Simplify right side
    2,942,540.80x = 9,654,012,750,480.84
  5. Step 5: Solve for x
    x = 9,654,012,750,480.84/2,942,540.80
  6. Step 6: Final answer
    x = 3,280,842.44

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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.