Home / 3,083,830.31-4,257,615.86-1,981,708.67

Finding the Fourth Proportional to 3,083,830.31, 4,257,615.86 and 1,981,708.67

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Solution

The fourth proportional to 3,083,830.31, 4,257,615.86 and 1,981,708.67 is: 2,735,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083,830.31 : 4,257,615.86 = 1,981,708.67 : x
  2. Step 2: Convert to fraction form
    3,083,830.31/4,257,615.86 = 1,981,708.67/x
  3. Step 3: Cross multiply
    3,083,830.31x = 4,257,615.86 × 1,981,708.67
  4. Step 4: Simplify right side
    3,083,830.31x = 8,437,354,271,458.41
  5. Step 5: Solve for x
    x = 8,437,354,271,458.41/3,083,830.31
  6. Step 6: Final answer
    x = 2,735,998.23

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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.