Home / 1,940,361.72-2,911,190.26-860,725.28

Finding the Fourth Proportional to 1,940,361.72, 2,911,190.26 and 860,725.28

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Solution

The fourth proportional to 1,940,361.72, 2,911,190.26 and 860,725.28 is: 1,291,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,361.72 : 2,911,190.26 = 860,725.28 : x
  2. Step 2: Convert to fraction form
    1,940,361.72/2,911,190.26 = 860,725.28/x
  3. Step 3: Cross multiply
    1,940,361.72x = 2,911,190.26 × 860,725.28
  4. Step 4: Simplify right side
    1,940,361.72x = 2,505,735,051,671.77
  5. Step 5: Solve for x
    x = 2,505,735,051,671.77/1,940,361.72
  6. Step 6: Final answer
    x = 1,291,375.22

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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.