Home / 2,878,523.94-3,970,697.79-1,859,928.69

Finding the Fourth Proportional to 2,878,523.94, 3,970,697.79 and 1,859,928.69

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Solution

The fourth proportional to 2,878,523.94, 3,970,697.79 and 1,859,928.69 is: 2,565,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,523.94 : 3,970,697.79 = 1,859,928.69 : x
  2. Step 2: Convert to fraction form
    2,878,523.94/3,970,697.79 = 1,859,928.69/x
  3. Step 3: Cross multiply
    2,878,523.94x = 3,970,697.79 × 1,859,928.69
  4. Step 4: Simplify right side
    2,878,523.94x = 7,385,214,729,640.95
  5. Step 5: Solve for x
    x = 7,385,214,729,640.95/2,878,523.94
  6. Step 6: Final answer
    x = 2,565,625.61

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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.