Home / 2,114,961.32-3,171,770.22-694,686.80

Finding the Fourth Proportional to 2,114,961.32, 3,171,770.22 and 694,686.80

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Solution

The fourth proportional to 2,114,961.32, 3,171,770.22 and 694,686.80 is: 1,041,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,961.32 : 3,171,770.22 = 694,686.80 : x
  2. Step 2: Convert to fraction form
    2,114,961.32/3,171,770.22 = 694,686.80/x
  3. Step 3: Cross multiply
    2,114,961.32x = 3,171,770.22 × 694,686.80
  4. Step 4: Simplify right side
    2,114,961.32x = 2,203,386,904,467.10
  5. Step 5: Solve for x
    x = 2,203,386,904,467.10/2,114,961.32
  6. Step 6: Final answer
    x = 1,041,809.55

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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.