Home / 2,620,143.36-3,928,885.56-1,198,981.62

Finding the Fourth Proportional to 2,620,143.36, 3,928,885.56 and 1,198,981.62

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Solution

The fourth proportional to 2,620,143.36, 3,928,885.56 and 1,198,981.62 is: 1,797,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,143.36 : 3,928,885.56 = 1,198,981.62 : x
  2. Step 2: Convert to fraction form
    2,620,143.36/3,928,885.56 = 1,198,981.62/x
  3. Step 3: Cross multiply
    2,620,143.36x = 3,928,885.56 × 1,198,981.62
  4. Step 4: Simplify right side
    2,620,143.36x = 4,710,661,573,523.41
  5. Step 5: Solve for x
    x = 4,710,661,573,523.41/2,620,143.36
  6. Step 6: Final answer
    x = 1,797,864.06

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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.