Home / 3,940,510.10-5,437,695.90-2,198,361.32

Finding the Fourth Proportional to 3,940,510.10, 5,437,695.90 and 2,198,361.32

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Solution

The fourth proportional to 3,940,510.10, 5,437,695.90 and 2,198,361.32 is: 3,033,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,510.10 : 5,437,695.90 = 2,198,361.32 : x
  2. Step 2: Convert to fraction form
    3,940,510.10/5,437,695.90 = 2,198,361.32/x
  3. Step 3: Cross multiply
    3,940,510.10x = 5,437,695.90 × 2,198,361.32
  4. Step 4: Simplify right side
    3,940,510.10x = 11,954,020,336,482.59
  5. Step 5: Solve for x
    x = 11,954,020,336,482.59/3,940,510.10
  6. Step 6: Final answer
    x = 3,033,622.56

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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.