Home / 2,114,963.32-3,171,773.20-694,688.80

Finding the Fourth Proportional to 2,114,963.32, 3,171,773.20 and 694,688.80

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Solution

The fourth proportional to 2,114,963.32, 3,171,773.20 and 694,688.80 is: 1,041,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,963.32 : 3,171,773.20 = 694,688.80 : x
  2. Step 2: Convert to fraction form
    2,114,963.32/3,171,773.20 = 694,688.80/x
  3. Step 3: Cross multiply
    2,114,963.32x = 3,171,773.20 × 694,688.80
  4. Step 4: Simplify right side
    2,114,963.32x = 2,203,395,318,180.16
  5. Step 5: Solve for x
    x = 2,203,395,318,180.16/2,114,963.32
  6. Step 6: Final answer
    x = 1,041,812.54

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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.