Home / 3,120,512.10-4,680,768.15-1,776,819.30

Finding the Fourth Proportional to 3,120,512.10, 4,680,768.15 and 1,776,819.30

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Solution

The fourth proportional to 3,120,512.10, 4,680,768.15 and 1,776,819.30 is: 2,665,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,512.10 : 4,680,768.15 = 1,776,819.30 : x
  2. Step 2: Convert to fraction form
    3,120,512.10/4,680,768.15 = 1,776,819.30/x
  3. Step 3: Cross multiply
    3,120,512.10x = 4,680,768.15 × 1,776,819.30
  4. Step 4: Simplify right side
    3,120,512.10x = 8,316,879,187,745.30
  5. Step 5: Solve for x
    x = 8,316,879,187,745.30/3,120,512.10
  6. Step 6: Final answer
    x = 2,665,228.95

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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.