Home / 3,292,912.20-4,939,368.30-2,162,816.40

Finding the Fourth Proportional to 3,292,912.20, 4,939,368.30 and 2,162,816.40

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Solution

The fourth proportional to 3,292,912.20, 4,939,368.30 and 2,162,816.40 is: 3,244,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292,912.20 : 4,939,368.30 = 2,162,816.40 : x
  2. Step 2: Convert to fraction form
    3,292,912.20/4,939,368.30 = 2,162,816.40/x
  3. Step 3: Cross multiply
    3,292,912.20x = 4,939,368.30 × 2,162,816.40
  4. Step 4: Simplify right side
    3,292,912.20x = 10,682,946,764,880.12
  5. Step 5: Solve for x
    x = 10,682,946,764,880.12/3,292,912.20
  6. Step 6: Final answer
    x = 3,244,224.60

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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.