Home / 3,108,311.94-4,290,108.57-1,961,622.66

Finding the Fourth Proportional to 3,108,311.94, 4,290,108.57 and 1,961,622.66

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Solution

The fourth proportional to 3,108,311.94, 4,290,108.57 and 1,961,622.66 is: 2,707,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,311.94 : 4,290,108.57 = 1,961,622.66 : x
  2. Step 2: Convert to fraction form
    3,108,311.94/4,290,108.57 = 1,961,622.66/x
  3. Step 3: Cross multiply
    3,108,311.94x = 4,290,108.57 × 1,961,622.66
  4. Step 4: Simplify right side
    3,108,311.94x = 8,415,574,184,772.20
  5. Step 5: Solve for x
    x = 8,415,574,184,772.20/3,108,311.94
  6. Step 6: Final answer
    x = 2,707,441.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.