Home / 2,968,940.20-4,449,911.10-2,220,111.40

Finding the Fourth Proportional to 2,968,940.20, 4,449,911.10 and 2,220,111.40

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Solution

The fourth proportional to 2,968,940.20, 4,449,911.10 and 2,220,111.40 is: 3,327,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,940.20 : 4,449,911.10 = 2,220,111.40 : x
  2. Step 2: Convert to fraction form
    2,968,940.20/4,449,911.10 = 2,220,111.40/x
  3. Step 3: Cross multiply
    2,968,940.20x = 4,449,911.10 × 2,220,111.40
  4. Step 4: Simplify right side
    2,968,940.20x = 9,879,298,362,096.54
  5. Step 5: Solve for x
    x = 9,879,298,362,096.54/2,968,940.20
  6. Step 6: Final answer
    x = 3,327,550.47

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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.