Home / 3,158,467.86-4,738,033.98-1,028,718.12

Finding the Fourth Proportional to 3,158,467.86, 4,738,033.98 and 1,028,718.12

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Solution

The fourth proportional to 3,158,467.86, 4,738,033.98 and 1,028,718.12 is: 1,543,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,467.86 : 4,738,033.98 = 1,028,718.12 : x
  2. Step 2: Convert to fraction form
    3,158,467.86/4,738,033.98 = 1,028,718.12/x
  3. Step 3: Cross multiply
    3,158,467.86x = 4,738,033.98 × 1,028,718.12
  4. Step 4: Simplify right side
    3,158,467.86x = 4,874,101,408,401.72
  5. Step 5: Solve for x
    x = 4,874,101,408,401.72/3,158,467.86
  6. Step 6: Final answer
    x = 1,543,185.37

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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.