Home / 4,672,321.20-7,004,593.80-1,978,714.80

Finding the Fourth Proportional to 4,672,321.20, 7,004,593.80 and 1,978,714.80

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Solution

The fourth proportional to 4,672,321.20, 7,004,593.80 and 1,978,714.80 is: 2,966,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,321.20 : 7,004,593.80 = 1,978,714.80 : x
  2. Step 2: Convert to fraction form
    4,672,321.20/7,004,593.80 = 1,978,714.80/x
  3. Step 3: Cross multiply
    4,672,321.20x = 7,004,593.80 × 1,978,714.80
  4. Step 4: Simplify right side
    4,672,321.20x = 13,860,093,420,048.24
  5. Step 5: Solve for x
    x = 13,860,093,420,048.24/4,672,321.20
  6. Step 6: Final answer
    x = 2,966,425.64

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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.