Home / 2,012,540.40-3,021,143.40-1,214,722.80

Finding the Fourth Proportional to 2,012,540.40, 3,021,143.40 and 1,214,722.80

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Solution

The fourth proportional to 2,012,540.40, 3,021,143.40 and 1,214,722.80 is: 1,823,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,540.40 : 3,021,143.40 = 1,214,722.80 : x
  2. Step 2: Convert to fraction form
    2,012,540.40/3,021,143.40 = 1,214,722.80/x
  3. Step 3: Cross multiply
    2,012,540.40x = 3,021,143.40 × 1,214,722.80
  4. Step 4: Simplify right side
    2,012,540.40x = 3,669,851,770,049.52
  5. Step 5: Solve for x
    x = 3,669,851,770,049.52/2,012,540.40
  6. Step 6: Final answer
    x = 1,823,492.22

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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.