Home / 4,890,147.40-7,328,222.70-3,392,489.80

Finding the Fourth Proportional to 4,890,147.40, 7,328,222.70 and 3,392,489.80

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Solution

The fourth proportional to 4,890,147.40, 7,328,222.70 and 3,392,489.80 is: 5,083,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,147.40 : 7,328,222.70 = 3,392,489.80 : x
  2. Step 2: Convert to fraction form
    4,890,147.40/7,328,222.70 = 3,392,489.80/x
  3. Step 3: Cross multiply
    4,890,147.40x = 7,328,222.70 × 3,392,489.80
  4. Step 4: Simplify right side
    4,890,147.40x = 24,860,920,761,878.46
  5. Step 5: Solve for x
    x = 24,860,920,761,878.46/4,890,147.40
  6. Step 6: Final answer
    x = 5,083,879.63

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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.