Home / 2,178,893.48-3,006,896.06-1,198,845.38

Finding the Fourth Proportional to 2,178,893.48, 3,006,896.06 and 1,198,845.38

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Solution

The fourth proportional to 2,178,893.48, 3,006,896.06 and 1,198,845.38 is: 1,654,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,893.48 : 3,006,896.06 = 1,198,845.38 : x
  2. Step 2: Convert to fraction form
    2,178,893.48/3,006,896.06 = 1,198,845.38/x
  3. Step 3: Cross multiply
    2,178,893.48x = 3,006,896.06 × 1,198,845.38
  4. Step 4: Simplify right side
    2,178,893.48x = 3,604,803,449,671.20
  5. Step 5: Solve for x
    x = 3,604,803,449,671.20/2,178,893.48
  6. Step 6: Final answer
    x = 1,654,419.31

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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.