Home / 5,161,817.88-7,123,491.54-2,838,889.96

Finding the Fourth Proportional to 5,161,817.88, 7,123,491.54 and 2,838,889.96

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Solution

The fourth proportional to 5,161,817.88, 7,123,491.54 and 2,838,889.96 is: 3,917,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,817.88 : 7,123,491.54 = 2,838,889.96 : x
  2. Step 2: Convert to fraction form
    5,161,817.88/7,123,491.54 = 2,838,889.96/x
  3. Step 3: Cross multiply
    5,161,817.88x = 7,123,491.54 × 2,838,889.96
  4. Step 4: Simplify right side
    5,161,817.88x = 20,222,808,595,242.21
  5. Step 5: Solve for x
    x = 20,222,808,595,242.21/5,161,817.88
  6. Step 6: Final answer
    x = 3,917,768.71

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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.