Home / 3,117,933-4,302,760.50-1,687,149

Finding the Fourth Proportional to 3,117,933, 4,302,760.50 and 1,687,149

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Solution

The fourth proportional to 3,117,933, 4,302,760.50 and 1,687,149 is: 2,328,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,933 : 4,302,760.50 = 1,687,149 : x
  2. Step 2: Convert to fraction form
    3,117,933/4,302,760.50 = 1,687,149/x
  3. Step 3: Cross multiply
    3,117,933x = 4,302,760.50 × 1,687,149
  4. Step 4: Simplify right side
    3,117,933x = 7,259,398,074,814.50
  5. Step 5: Solve for x
    x = 7,259,398,074,814.50/3,117,933
  6. Step 6: Final answer
    x = 2,328,272.63

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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.