Home / 5,377,645.20-8,066,467.80-1,388,557.20

Finding the Fourth Proportional to 5,377,645.20, 8,066,467.80 and 1,388,557.20

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Solution

The fourth proportional to 5,377,645.20, 8,066,467.80 and 1,388,557.20 is: 2,082,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,645.20 : 8,066,467.80 = 1,388,557.20 : x
  2. Step 2: Convert to fraction form
    5,377,645.20/8,066,467.80 = 1,388,557.20/x
  3. Step 3: Cross multiply
    5,377,645.20x = 8,066,467.80 × 1,388,557.20
  4. Step 4: Simplify right side
    5,377,645.20x = 11,200,751,942,258.16
  5. Step 5: Solve for x
    x = 11,200,751,942,258.16/5,377,645.20
  6. Step 6: Final answer
    x = 2,082,835.80

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Similar ratio
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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.