Home / 2,968,930.80-4,453,396.20-1,289,314.80

Finding the Fourth Proportional to 2,968,930.80, 4,453,396.20 and 1,289,314.80

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Solution

The fourth proportional to 2,968,930.80, 4,453,396.20 and 1,289,314.80 is: 1,933,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,930.80 : 4,453,396.20 = 1,289,314.80 : x
  2. Step 2: Convert to fraction form
    2,968,930.80/4,453,396.20 = 1,289,314.80/x
  3. Step 3: Cross multiply
    2,968,930.80x = 4,453,396.20 × 1,289,314.80
  4. Step 4: Simplify right side
    2,968,930.80x = 5,741,829,630,923.76
  5. Step 5: Solve for x
    x = 5,741,829,630,923.76/2,968,930.80
  6. Step 6: Final answer
    x = 1,933,972.20

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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.