Home / 2,757,155.40-3,800,657.43-1,939,129.92

Finding the Fourth Proportional to 2,757,155.40, 3,800,657.43 and 1,939,129.92

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Solution

The fourth proportional to 2,757,155.40, 3,800,657.43 and 1,939,129.92 is: 2,673,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,155.40 : 3,800,657.43 = 1,939,129.92 : x
  2. Step 2: Convert to fraction form
    2,757,155.40/3,800,657.43 = 1,939,129.92/x
  3. Step 3: Cross multiply
    2,757,155.40x = 3,800,657.43 × 1,939,129.92
  4. Step 4: Simplify right side
    2,757,155.40x = 7,369,968,538,183.31
  5. Step 5: Solve for x
    x = 7,369,968,538,183.31/2,757,155.40
  6. Step 6: Final answer
    x = 2,673,033.42

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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.