Home / 2,902,110.78-4,353,160.41-772,194.78

Finding the Fourth Proportional to 2,902,110.78, 4,353,160.41 and 772,194.78

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Solution

The fourth proportional to 2,902,110.78, 4,353,160.41 and 772,194.78 is: 1,158,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902,110.78 : 4,353,160.41 = 772,194.78 : x
  2. Step 2: Convert to fraction form
    2,902,110.78/4,353,160.41 = 772,194.78/x
  3. Step 3: Cross multiply
    2,902,110.78x = 4,353,160.41 × 772,194.78
  4. Step 4: Simplify right side
    2,902,110.78x = 3,361,487,745,104.66
  5. Step 5: Solve for x
    x = 3,361,487,745,104.66/2,902,110.78
  6. Step 6: Final answer
    x = 1,158,290.64

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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.