Home / 2,069,689.76-3,104,535.72-931,122.44

Finding the Fourth Proportional to 2,069,689.76, 3,104,535.72 and 931,122.44

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Solution

The fourth proportional to 2,069,689.76, 3,104,535.72 and 931,122.44 is: 1,396,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,689.76 : 3,104,535.72 = 931,122.44 : x
  2. Step 2: Convert to fraction form
    2,069,689.76/3,104,535.72 = 931,122.44/x
  3. Step 3: Cross multiply
    2,069,689.76x = 3,104,535.72 × 931,122.44
  4. Step 4: Simplify right side
    2,069,689.76x = 2,890,702,874,673.56
  5. Step 5: Solve for x
    x = 2,890,702,874,673.56/2,069,689.76
  6. Step 6: Final answer
    x = 1,396,684.15

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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.