Home / 3,882,431.80-5,823,647.70-3,661,982.20

Finding the Fourth Proportional to 3,882,431.80, 5,823,647.70 and 3,661,982.20

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Solution

The fourth proportional to 3,882,431.80, 5,823,647.70 and 3,661,982.20 is: 5,492,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,431.80 : 5,823,647.70 = 3,661,982.20 : x
  2. Step 2: Convert to fraction form
    3,882,431.80/5,823,647.70 = 3,661,982.20/x
  3. Step 3: Cross multiply
    3,882,431.80x = 5,823,647.70 × 3,661,982.20
  4. Step 4: Simplify right side
    3,882,431.80x = 21,326,094,216,470.94
  5. Step 5: Solve for x
    x = 21,326,094,216,470.94/3,882,431.80
  6. Step 6: Final answer
    x = 5,492,973.30

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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.