Home / 2,672,033.20-4,008,049.80-2,168,148.40

Finding the Fourth Proportional to 2,672,033.20, 4,008,049.80 and 2,168,148.40

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Solution

The fourth proportional to 2,672,033.20, 4,008,049.80 and 2,168,148.40 is: 3,252,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,033.20 : 4,008,049.80 = 2,168,148.40 : x
  2. Step 2: Convert to fraction form
    2,672,033.20/4,008,049.80 = 2,168,148.40/x
  3. Step 3: Cross multiply
    2,672,033.20x = 4,008,049.80 × 2,168,148.40
  4. Step 4: Simplify right side
    2,672,033.20x = 8,690,046,760,990.32
  5. Step 5: Solve for x
    x = 8,690,046,760,990.32/2,672,033.20
  6. Step 6: Final answer
    x = 3,252,222.60

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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.