Home / 6,421,355.09-9,630,558.69-3,828,393.55

Finding the Fourth Proportional to 6,421,355.09, 9,630,558.69 and 3,828,393.55

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Solution

The fourth proportional to 6,421,355.09, 9,630,558.69 and 3,828,393.55 is: 5,741,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,355.09 : 9,630,558.69 = 3,828,393.55 : x
  2. Step 2: Convert to fraction form
    6,421,355.09/9,630,558.69 = 3,828,393.55/x
  3. Step 3: Cross multiply
    6,421,355.09x = 9,630,558.69 × 3,828,393.55
  4. Step 4: Simplify right side
    6,421,355.09x = 36,869,568,771,692.45
  5. Step 5: Solve for x
    x = 36,869,568,771,692.45/6,421,355.09
  6. Step 6: Final answer
    x = 5,741,711.56

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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.