Home / 1,589,825.20-2,384,737.80-1,085,940.40

Finding the Fourth Proportional to 1,589,825.20, 2,384,737.80 and 1,085,940.40

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Solution

The fourth proportional to 1,589,825.20, 2,384,737.80 and 1,085,940.40 is: 1,628,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,825.20 : 2,384,737.80 = 1,085,940.40 : x
  2. Step 2: Convert to fraction form
    1,589,825.20/2,384,737.80 = 1,085,940.40/x
  3. Step 3: Cross multiply
    1,589,825.20x = 2,384,737.80 × 1,085,940.40
  4. Step 4: Simplify right side
    1,589,825.20x = 2,589,683,120,427.12
  5. Step 5: Solve for x
    x = 2,589,683,120,427.12/1,589,825.20
  6. Step 6: Final answer
    x = 1,628,910.60

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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.