Home / 3,120,546.80-4,680,820.20-1,440,930.80

Finding the Fourth Proportional to 3,120,546.80, 4,680,820.20 and 1,440,930.80

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Solution

The fourth proportional to 3,120,546.80, 4,680,820.20 and 1,440,930.80 is: 2,161,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,546.80 : 4,680,820.20 = 1,440,930.80 : x
  2. Step 2: Convert to fraction form
    3,120,546.80/4,680,820.20 = 1,440,930.80/x
  3. Step 3: Cross multiply
    3,120,546.80x = 4,680,820.20 × 1,440,930.80
  4. Step 4: Simplify right side
    3,120,546.80x = 6,744,737,995,442.16
  5. Step 5: Solve for x
    x = 6,744,737,995,442.16/3,120,546.80
  6. Step 6: Final answer
    x = 2,161,396.20

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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.