Home / 3,119,504.73-4,304,178.78-1,811,979.84

Finding the Fourth Proportional to 3,119,504.73, 4,304,178.78 and 1,811,979.84

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Solution

The fourth proportional to 3,119,504.73, 4,304,178.78 and 1,811,979.84 is: 2,500,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,504.73 : 4,304,178.78 = 1,811,979.84 : x
  2. Step 2: Convert to fraction form
    3,119,504.73/4,304,178.78 = 1,811,979.84/x
  3. Step 3: Cross multiply
    3,119,504.73x = 4,304,178.78 × 1,811,979.84
  4. Step 4: Simplify right side
    3,119,504.73x = 7,799,085,177,115.80
  5. Step 5: Solve for x
    x = 7,799,085,177,115.80/3,119,504.73
  6. Step 6: Final answer
    x = 2,500,103.65

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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.