Home / 1,907,865.86-2,632,280.74-1,143,640.58

Finding the Fourth Proportional to 1,907,865.86, 2,632,280.74 and 1,143,640.58

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Solution

The fourth proportional to 1,907,865.86, 2,632,280.74 and 1,143,640.58 is: 1,577,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,865.86 : 2,632,280.74 = 1,143,640.58 : x
  2. Step 2: Convert to fraction form
    1,907,865.86/2,632,280.74 = 1,143,640.58/x
  3. Step 3: Cross multiply
    1,907,865.86x = 2,632,280.74 × 1,143,640.58
  4. Step 4: Simplify right side
    1,907,865.86x = 3,010,383,072,216.43
  5. Step 5: Solve for x
    x = 3,010,383,072,216.43/1,907,865.86
  6. Step 6: Final answer
    x = 1,577,879.84

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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.