Home / 1,816,520.25-2,724,784.20-1,705,540.43

Finding the Fourth Proportional to 1,816,520.25, 2,724,784.20 and 1,705,540.43

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Solution

The fourth proportional to 1,816,520.25, 2,724,784.20 and 1,705,540.43 is: 2,558,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,520.25 : 2,724,784.20 = 1,705,540.43 : x
  2. Step 2: Convert to fraction form
    1,816,520.25/2,724,784.20 = 1,705,540.43/x
  3. Step 3: Cross multiply
    1,816,520.25x = 2,724,784.20 × 1,705,540.43
  4. Step 4: Simplify right side
    1,816,520.25x = 4,647,229,602,501.29
  5. Step 5: Solve for x
    x = 4,647,229,602,501.29/1,816,520.25
  6. Step 6: Final answer
    x = 2,558,314.23

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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.