Home / 3,439,064.88-4,745,532.72-1,988,540.82

Finding the Fourth Proportional to 3,439,064.88, 4,745,532.72 and 1,988,540.82

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Solution

The fourth proportional to 3,439,064.88, 4,745,532.72 and 1,988,540.82 is: 2,743,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,064.88 : 4,745,532.72 = 1,988,540.82 : x
  2. Step 2: Convert to fraction form
    3,439,064.88/4,745,532.72 = 1,988,540.82/x
  3. Step 3: Cross multiply
    3,439,064.88x = 4,745,532.72 × 1,988,540.82
  4. Step 4: Simplify right side
    3,439,064.88x = 9,436,685,526,365.63
  5. Step 5: Solve for x
    x = 9,436,685,526,365.63/3,439,064.88
  6. Step 6: Final answer
    x = 2,743,968.45

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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.