Home / 5,379,504.80-8,078,588.40-2,860,080.80

Finding the Fourth Proportional to 5,379,504.80, 8,078,588.40 and 2,860,080.80

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Solution

The fourth proportional to 5,379,504.80, 8,078,588.40 and 2,860,080.80 is: 4,295,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,504.80 : 8,078,588.40 = 2,860,080.80 : x
  2. Step 2: Convert to fraction form
    5,379,504.80/8,078,588.40 = 2,860,080.80/x
  3. Step 3: Cross multiply
    5,379,504.80x = 8,078,588.40 × 2,860,080.80
  4. Step 4: Simplify right side
    5,379,504.80x = 23,105,415,573,942.72
  5. Step 5: Solve for x
    x = 23,105,415,573,942.72/5,379,504.80
  6. Step 6: Final answer
    x = 4,295,082.25

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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.