Home / 4,821,390.67-6,653,079.32-2,860,930.86

Finding the Fourth Proportional to 4,821,390.67, 6,653,079.32 and 2,860,930.86

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Solution

The fourth proportional to 4,821,390.67, 6,653,079.32 and 2,860,930.86 is: 3,947,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,390.67 : 6,653,079.32 = 2,860,930.86 : x
  2. Step 2: Convert to fraction form
    4,821,390.67/6,653,079.32 = 2,860,930.86/x
  3. Step 3: Cross multiply
    4,821,390.67x = 6,653,079.32 × 2,860,930.86
  4. Step 4: Simplify right side
    4,821,390.67x = 19,033,999,907,350.42
  5. Step 5: Solve for x
    x = 19,033,999,907,350.42/4,821,390.67
  6. Step 6: Final answer
    x = 3,947,823.61

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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.