Home / 2,408,638.54-3,612,959.43-611,656.78

Finding the Fourth Proportional to 2,408,638.54, 3,612,959.43 and 611,656.78

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Solution

The fourth proportional to 2,408,638.54, 3,612,959.43 and 611,656.78 is: 917,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408,638.54 : 3,612,959.43 = 611,656.78 : x
  2. Step 2: Convert to fraction form
    2,408,638.54/3,612,959.43 = 611,656.78/x
  3. Step 3: Cross multiply
    2,408,638.54x = 3,612,959.43 × 611,656.78
  4. Step 4: Simplify right side
    2,408,638.54x = 2,209,891,131,224.44
  5. Step 5: Solve for x
    x = 2,209,891,131,224.44/2,408,638.54
  6. Step 6: Final answer
    x = 917,485.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.