Home / 1,861,790.40-2,792,685.60-1,661,023.80

Finding the Fourth Proportional to 1,861,790.40, 2,792,685.60 and 1,661,023.80

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Solution

The fourth proportional to 1,861,790.40, 2,792,685.60 and 1,661,023.80 is: 2,491,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,790.40 : 2,792,685.60 = 1,661,023.80 : x
  2. Step 2: Convert to fraction form
    1,861,790.40/2,792,685.60 = 1,661,023.80/x
  3. Step 3: Cross multiply
    1,861,790.40x = 2,792,685.60 × 1,661,023.80
  4. Step 4: Simplify right side
    1,861,790.40x = 4,638,717,247,517.28
  5. Step 5: Solve for x
    x = 4,638,717,247,517.28/1,861,790.40
  6. Step 6: Final answer
    x = 2,491,535.70

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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.