Home / 3,489,825.64-4,815,966.92-1,961,945.32

Finding the Fourth Proportional to 3,489,825.64, 4,815,966.92 and 1,961,945.32

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Solution

The fourth proportional to 3,489,825.64, 4,815,966.92 and 1,961,945.32 is: 2,707,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,825.64 : 4,815,966.92 = 1,961,945.32 : x
  2. Step 2: Convert to fraction form
    3,489,825.64/4,815,966.92 = 1,961,945.32/x
  3. Step 3: Cross multiply
    3,489,825.64x = 4,815,966.92 × 1,961,945.32
  4. Step 4: Simplify right side
    3,489,825.64x = 9,448,663,759,968.82
  5. Step 5: Solve for x
    x = 9,448,663,759,968.82/3,489,825.64
  6. Step 6: Final answer
    x = 2,707,488.78

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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.