Home / 4,919,803.20-7,379,704.80-2,794,039.20

Finding the Fourth Proportional to 4,919,803.20, 7,379,704.80 and 2,794,039.20

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Solution

The fourth proportional to 4,919,803.20, 7,379,704.80 and 2,794,039.20 is: 4,191,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,803.20 : 7,379,704.80 = 2,794,039.20 : x
  2. Step 2: Convert to fraction form
    4,919,803.20/7,379,704.80 = 2,794,039.20/x
  3. Step 3: Cross multiply
    4,919,803.20x = 7,379,704.80 × 2,794,039.20
  4. Step 4: Simplify right side
    4,919,803.20x = 20,619,184,495,628.16
  5. Step 5: Solve for x
    x = 20,619,184,495,628.16/4,919,803.20
  6. Step 6: Final answer
    x = 4,191,058.80

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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.