Home / 4,219,821.32-6,330,727.74-1,379,922.44

Finding the Fourth Proportional to 4,219,821.32, 6,330,727.74 and 1,379,922.44

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Solution

The fourth proportional to 4,219,821.32, 6,330,727.74 and 1,379,922.44 is: 2,070,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219,821.32 : 6,330,727.74 = 1,379,922.44 : x
  2. Step 2: Convert to fraction form
    4,219,821.32/6,330,727.74 = 1,379,922.44/x
  3. Step 3: Cross multiply
    4,219,821.32x = 6,330,727.74 × 1,379,922.44
  4. Step 4: Simplify right side
    4,219,821.32x = 8,735,913,269,956.49
  5. Step 5: Solve for x
    x = 8,735,913,269,956.49/4,219,821.32
  6. Step 6: Final answer
    x = 2,070,209.28

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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.