Home / 3,641,964.25-5,026,029.62-1,988,199.55

Finding the Fourth Proportional to 3,641,964.25, 5,026,029.62 and 1,988,199.55

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Solution

The fourth proportional to 3,641,964.25, 5,026,029.62 and 1,988,199.55 is: 2,743,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,964.25 : 5,026,029.62 = 1,988,199.55 : x
  2. Step 2: Convert to fraction form
    3,641,964.25/5,026,029.62 = 1,988,199.55/x
  3. Step 3: Cross multiply
    3,641,964.25x = 5,026,029.62 × 1,988,199.55
  4. Step 4: Simplify right side
    3,641,964.25x = 9,992,749,808,611.02
  5. Step 5: Solve for x
    x = 9,992,749,808,611.02/3,641,964.25
  6. Step 6: Final answer
    x = 2,743,780.31

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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.