Home / 3,120,615.10-4,680,922.65-1,440,999.10

Finding the Fourth Proportional to 3,120,615.10, 4,680,922.65 and 1,440,999.10

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Solution

The fourth proportional to 3,120,615.10, 4,680,922.65 and 1,440,999.10 is: 2,161,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,615.10 : 4,680,922.65 = 1,440,999.10 : x
  2. Step 2: Convert to fraction form
    3,120,615.10/4,680,922.65 = 1,440,999.10/x
  3. Step 3: Cross multiply
    3,120,615.10x = 4,680,922.65 × 1,440,999.10
  4. Step 4: Simplify right side
    3,120,615.10x = 6,745,205,325,819.62
  5. Step 5: Solve for x
    x = 6,745,205,325,819.62/3,120,615.10
  6. Step 6: Final answer
    x = 2,161,498.65

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Similar ratio
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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.