Home / 2,109,193.75-3,164,942.40-894,581.47

Finding the Fourth Proportional to 2,109,193.75, 3,164,942.40 and 894,581.47

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Solution

The fourth proportional to 2,109,193.75, 3,164,942.40 and 894,581.47 is: 1,342,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,193.75 : 3,164,942.40 = 894,581.47 : x
  2. Step 2: Convert to fraction form
    2,109,193.75/3,164,942.40 = 894,581.47/x
  3. Step 3: Cross multiply
    2,109,193.75x = 3,164,942.40 × 894,581.47
  4. Step 4: Simplify right side
    2,109,193.75x = 2,831,298,824,657.33
  5. Step 5: Solve for x
    x = 2,831,298,824,657.33/2,109,193.75
  6. Step 6: Final answer
    x = 1,342,360.71

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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.