Home / 5,183,999.80-7,775,999.70-3,657,830.20

Finding the Fourth Proportional to 5,183,999.80, 7,775,999.70 and 3,657,830.20

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Solution

The fourth proportional to 5,183,999.80, 7,775,999.70 and 3,657,830.20 is: 5,486,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,999.80 : 7,775,999.70 = 3,657,830.20 : x
  2. Step 2: Convert to fraction form
    5,183,999.80/7,775,999.70 = 3,657,830.20/x
  3. Step 3: Cross multiply
    5,183,999.80x = 7,775,999.70 × 3,657,830.20
  4. Step 4: Simplify right side
    5,183,999.80x = 28,443,286,537,850.94
  5. Step 5: Solve for x
    x = 28,443,286,537,850.94/5,183,999.80
  6. Step 6: Final answer
    x = 5,486,745.30

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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.