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Finding the Fourth Proportional to 2,141,883, 3,213,804.60 and 927,830.70

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Solution

The fourth proportional to 2,141,883, 3,213,804.60 and 927,830.70 is: 1,392,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,883 : 3,213,804.60 = 927,830.70 : x
  2. Step 2: Convert to fraction form
    2,141,883/3,213,804.60 = 927,830.70/x
  3. Step 3: Cross multiply
    2,141,883x = 3,213,804.60 × 927,830.70
  4. Step 4: Simplify right side
    2,141,883x = 2,981,866,571,681.22
  5. Step 5: Solve for x
    x = 2,981,866,571,681.22/2,141,883
  6. Step 6: Final answer
    x = 1,392,170.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.