Home / 3,467,136.72-4,784,679-1,939,386

Finding the Fourth Proportional to 3,467,136.72, 4,784,679 and 1,939,386

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Solution

The fourth proportional to 3,467,136.72, 4,784,679 and 1,939,386 is: 2,676,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,136.72 : 4,784,679 = 1,939,386 : x
  2. Step 2: Convert to fraction form
    3,467,136.72/4,784,679 = 1,939,386/x
  3. Step 3: Cross multiply
    3,467,136.72x = 4,784,679 × 1,939,386
  4. Step 4: Simplify right side
    3,467,136.72x = 9,279,339,467,094
  5. Step 5: Solve for x
    x = 9,279,339,467,094/3,467,136.72
  6. Step 6: Final answer
    x = 2,676,369.64

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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.