Home / 6,945,778.42-9,585,174.22-3,889,992.67

Finding the Fourth Proportional to 6,945,778.42, 9,585,174.22 and 3,889,992.67

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Solution

The fourth proportional to 6,945,778.42, 9,585,174.22 and 3,889,992.67 is: 5,368,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,778.42 : 9,585,174.22 = 3,889,992.67 : x
  2. Step 2: Convert to fraction form
    6,945,778.42/9,585,174.22 = 3,889,992.67/x
  3. Step 3: Cross multiply
    6,945,778.42x = 9,585,174.22 × 3,889,992.67
  4. Step 4: Simplify right side
    6,945,778.42x = 37,286,257,490,160.88
  5. Step 5: Solve for x
    x = 37,286,257,490,160.88/6,945,778.42
  6. Step 6: Final answer
    x = 5,368,189.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.