Home / 3,754,865.22-5,181,815.87-2,123,516.51

Finding the Fourth Proportional to 3,754,865.22, 5,181,815.87 and 2,123,516.51

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Solution

The fourth proportional to 3,754,865.22, 5,181,815.87 and 2,123,516.51 is: 2,930,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,865.22 : 5,181,815.87 = 2,123,516.51 : x
  2. Step 2: Convert to fraction form
    3,754,865.22/5,181,815.87 = 2,123,516.51/x
  3. Step 3: Cross multiply
    3,754,865.22x = 5,181,815.87 × 2,123,516.51
  4. Step 4: Simplify right side
    3,754,865.22x = 11,003,671,551,725.01
  5. Step 5: Solve for x
    x = 11,003,671,551,725.01/3,754,865.22
  6. Step 6: Final answer
    x = 2,930,510.39

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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.