Home / 2,858,858.76-3,945,197.70-1,569,687.78

Finding the Fourth Proportional to 2,858,858.76, 3,945,197.70 and 1,569,687.78

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Solution

The fourth proportional to 2,858,858.76, 3,945,197.70 and 1,569,687.78 is: 2,166,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,858.76 : 3,945,197.70 = 1,569,687.78 : x
  2. Step 2: Convert to fraction form
    2,858,858.76/3,945,197.70 = 1,569,687.78/x
  3. Step 3: Cross multiply
    2,858,858.76x = 3,945,197.70 × 1,569,687.78
  4. Step 4: Simplify right side
    2,858,858.76x = 6,192,728,619,374.11
  5. Step 5: Solve for x
    x = 6,192,728,619,374.11/2,858,858.76
  6. Step 6: Final answer
    x = 2,166,154.10

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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.