Home / 6,920,763.26-10,382,137.54-2,128,856.72

Finding the Fourth Proportional to 6,920,763.26, 10,382,137.54 and 2,128,856.72

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Solution

The fourth proportional to 6,920,763.26, 10,382,137.54 and 2,128,856.72 is: 3,193,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,763.26 : 10,382,137.54 = 2,128,856.72 : x
  2. Step 2: Convert to fraction form
    6,920,763.26/10,382,137.54 = 2,128,856.72/x
  3. Step 3: Cross multiply
    6,920,763.26x = 10,382,137.54 × 2,128,856.72
  4. Step 4: Simplify right side
    6,920,763.26x = 22,102,083,212,760.44
  5. Step 5: Solve for x
    x = 22,102,083,212,760.44/6,920,763.26
  6. Step 6: Final answer
    x = 3,193,590.42

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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.