Home / 3,136,389.35-4,704,635.61-861,899.54

Finding the Fourth Proportional to 3,136,389.35, 4,704,635.61 and 861,899.54

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Solution

The fourth proportional to 3,136,389.35, 4,704,635.61 and 861,899.54 is: 1,292,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,389.35 : 4,704,635.61 = 861,899.54 : x
  2. Step 2: Convert to fraction form
    3,136,389.35/4,704,635.61 = 861,899.54/x
  3. Step 3: Cross multiply
    3,136,389.35x = 4,704,635.61 × 861,899.54
  4. Step 4: Simplify right side
    3,136,389.35x = 4,054,923,244,603.44
  5. Step 5: Solve for x
    x = 4,054,923,244,603.44/3,136,389.35
  6. Step 6: Final answer
    x = 1,292,863.48

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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.