Home / 2,166,555.73-2,992,961.14-1,730,400.42

Finding the Fourth Proportional to 2,166,555.73, 2,992,961.14 and 1,730,400.42

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Solution

The fourth proportional to 2,166,555.73, 2,992,961.14 and 1,730,400.42 is: 2,390,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,555.73 : 2,992,961.14 = 1,730,400.42 : x
  2. Step 2: Convert to fraction form
    2,166,555.73/2,992,961.14 = 1,730,400.42/x
  3. Step 3: Cross multiply
    2,166,555.73x = 2,992,961.14 × 1,730,400.42
  4. Step 4: Simplify right side
    2,166,555.73x = 5,179,021,203,761.88
  5. Step 5: Solve for x
    x = 5,179,021,203,761.88/2,166,555.73
  6. Step 6: Final answer
    x = 2,390,439.87

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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.