Home / 2,923,146.32-4,031,940.33-1,905,928.88

Finding the Fourth Proportional to 2,923,146.32, 4,031,940.33 and 1,905,928.88

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Solution

The fourth proportional to 2,923,146.32, 4,031,940.33 and 1,905,928.88 is: 2,628,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923,146.32 : 4,031,940.33 = 1,905,928.88 : x
  2. Step 2: Convert to fraction form
    2,923,146.32/4,031,940.33 = 1,905,928.88/x
  3. Step 3: Cross multiply
    2,923,146.32x = 4,031,940.33 × 1,905,928.88
  4. Step 4: Simplify right side
    2,923,146.32x = 7,684,591,497,224.03
  5. Step 5: Solve for x
    x = 7,684,591,497,224.03/2,923,146.32
  6. Step 6: Final answer
    x = 2,628,876.79

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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.