Home / 2,995,661.20-4,493,491.80-1,861,920.40

Finding the Fourth Proportional to 2,995,661.20, 4,493,491.80 and 1,861,920.40

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Solution

The fourth proportional to 2,995,661.20, 4,493,491.80 and 1,861,920.40 is: 2,792,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,661.20 : 4,493,491.80 = 1,861,920.40 : x
  2. Step 2: Convert to fraction form
    2,995,661.20/4,493,491.80 = 1,861,920.40/x
  3. Step 3: Cross multiply
    2,995,661.20x = 4,493,491.80 × 1,861,920.40
  4. Step 4: Simplify right side
    2,995,661.20x = 8,366,524,049,652.72
  5. Step 5: Solve for x
    x = 8,366,524,049,652.72/2,995,661.20
  6. Step 6: Final answer
    x = 2,792,880.60

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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.