Home / 3,117,945-4,302,777.06-1,687,161

Finding the Fourth Proportional to 3,117,945, 4,302,777.06 and 1,687,161

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Solution

The fourth proportional to 3,117,945, 4,302,777.06 and 1,687,161 is: 2,328,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,945 : 4,302,777.06 = 1,687,161 : x
  2. Step 2: Convert to fraction form
    3,117,945/4,302,777.06 = 1,687,161/x
  3. Step 3: Cross multiply
    3,117,945x = 4,302,777.06 × 1,687,161
  4. Step 4: Simplify right side
    3,117,945x = 7,259,477,647,326.66
  5. Step 5: Solve for x
    x = 7,259,477,647,326.66/3,117,945
  6. Step 6: Final answer
    x = 2,328,289.19

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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.