Home / 5,286,813.21-7,930,227.38-1,297,725.21

Finding the Fourth Proportional to 5,286,813.21, 7,930,227.38 and 1,297,725.21

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Solution

The fourth proportional to 5,286,813.21, 7,930,227.38 and 1,297,725.21 is: 1,946,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,813.21 : 7,930,227.38 = 1,297,725.21 : x
  2. Step 2: Convert to fraction form
    5,286,813.21/7,930,227.38 = 1,297,725.21/x
  3. Step 3: Cross multiply
    5,286,813.21x = 7,930,227.38 × 1,297,725.21
  4. Step 4: Simplify right side
    5,286,813.21x = 10,291,255,985,569.62
  5. Step 5: Solve for x
    x = 10,291,255,985,569.62/5,286,813.21
  6. Step 6: Final answer
    x = 1,946,589.67

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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.