Home / 3,139,782-4,710,375.36-1,145,238

Finding the Fourth Proportional to 3,139,782, 4,710,375.36 and 1,145,238

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Solution

The fourth proportional to 3,139,782, 4,710,375.36 and 1,145,238 is: 1,718,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,782 : 4,710,375.36 = 1,145,238 : x
  2. Step 2: Convert to fraction form
    3,139,782/4,710,375.36 = 1,145,238/x
  3. Step 3: Cross multiply
    3,139,782x = 4,710,375.36 × 1,145,238
  4. Step 4: Simplify right side
    3,139,782x = 5,394,500,856,535.68
  5. Step 5: Solve for x
    x = 5,394,500,856,535.68/3,139,782
  6. Step 6: Final answer
    x = 1,718,113.19

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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.