Home / 4,905,015.75-6,768,921.74-2,758,839.75

Finding the Fourth Proportional to 4,905,015.75, 6,768,921.74 and 2,758,839.75

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Solution

The fourth proportional to 4,905,015.75, 6,768,921.74 and 2,758,839.75 is: 3,807,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905,015.75 : 6,768,921.74 = 2,758,839.75 : x
  2. Step 2: Convert to fraction form
    4,905,015.75/6,768,921.74 = 2,758,839.75/x
  3. Step 3: Cross multiply
    4,905,015.75x = 6,768,921.74 × 2,758,839.75
  4. Step 4: Simplify right side
    4,905,015.75x = 18,674,370,347,156.97
  5. Step 5: Solve for x
    x = 18,674,370,347,156.97/4,905,015.75
  6. Step 6: Final answer
    x = 3,807,198.86

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1.5x scale

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.