Home / 6,920,767.26-10,382,143.54-2,128,860.72

Finding the Fourth Proportional to 6,920,767.26, 10,382,143.54 and 2,128,860.72

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Solution

The fourth proportional to 6,920,767.26, 10,382,143.54 and 2,128,860.72 is: 3,193,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,767.26 : 10,382,143.54 = 2,128,860.72 : x
  2. Step 2: Convert to fraction form
    6,920,767.26/10,382,143.54 = 2,128,860.72/x
  3. Step 3: Cross multiply
    6,920,767.26x = 10,382,143.54 × 2,128,860.72
  4. Step 4: Simplify right side
    6,920,767.26x = 22,102,137,571,707.75
  5. Step 5: Solve for x
    x = 22,102,137,571,707.75/6,920,767.26
  6. Step 6: Final answer
    x = 3,193,596.42

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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.