Home / 2,768,759.80-3,820,889.21-1,528,370.82

Finding the Fourth Proportional to 2,768,759.80, 3,820,889.21 and 1,528,370.82

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Solution

The fourth proportional to 2,768,759.80, 3,820,889.21 and 1,528,370.82 is: 2,109,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,759.80 : 3,820,889.21 = 1,528,370.82 : x
  2. Step 2: Convert to fraction form
    2,768,759.80/3,820,889.21 = 1,528,370.82/x
  3. Step 3: Cross multiply
    2,768,759.80x = 3,820,889.21 × 1,528,370.82
  4. Step 4: Simplify right side
    2,768,759.80x = 5,839,735,567,375.00
  5. Step 5: Solve for x
    x = 5,839,735,567,375.00/2,768,759.80
  6. Step 6: Final answer
    x = 2,109,152.11

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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.