Home / 2,968,211.80-4,454,391.30-1,286,522.20

Finding the Fourth Proportional to 2,968,211.80, 4,454,391.30 and 1,286,522.20

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Solution

The fourth proportional to 2,968,211.80, 4,454,391.30 and 1,286,522.20 is: 1,930,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,211.80 : 4,454,391.30 = 1,286,522.20 : x
  2. Step 2: Convert to fraction form
    2,968,211.80/4,454,391.30 = 1,286,522.20/x
  3. Step 3: Cross multiply
    2,968,211.80x = 4,454,391.30 × 1,286,522.20
  4. Step 4: Simplify right side
    2,968,211.80x = 5,730,673,294,936.86
  5. Step 5: Solve for x
    x = 5,730,673,294,936.86/2,968,211.80
  6. Step 6: Final answer
    x = 1,930,682.07

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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.