Home / 5,379,672.80-8,078,840.40-2,860,248.80

Finding the Fourth Proportional to 5,379,672.80, 8,078,840.40 and 2,860,248.80

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Solution

The fourth proportional to 5,379,672.80, 8,078,840.40 and 2,860,248.80 is: 4,295,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,672.80 : 8,078,840.40 = 2,860,248.80 : x
  2. Step 2: Convert to fraction form
    5,379,672.80/8,078,840.40 = 2,860,248.80/x
  3. Step 3: Cross multiply
    5,379,672.80x = 8,078,840.40 × 2,860,248.80
  4. Step 4: Simplify right side
    5,379,672.80x = 23,107,493,559,491.52
  5. Step 5: Solve for x
    x = 23,107,493,559,491.52/5,379,672.80
  6. Step 6: Final answer
    x = 4,295,334.39

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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.