Finding the Fourth Proportional to 3,434,062.25, 4,738,768.70 and 1,906,049.09
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Solution
The fourth proportional to 3,434,062.25, 4,738,768.70 and 1,906,049.09 is: 2,630,216.08
Step by Step Solution
- Step 1: Write the proportion equation
3,434,062.25 : 4,738,768.70 = 1,906,049.09 : x - Step 2: Convert to fraction form
3,434,062.25/4,738,768.70 = 1,906,049.09/x - Step 3: Cross multiply
3,434,062.25x = 4,738,768.70 × 1,906,049.09 - Step 4: Simplify right side
3,434,062.25x = 9,032,325,735,131.40 - Step 5: Solve for x
x = 9,032,325,735,131.40/3,434,062.25 - Step 6: Final answer
x = 2,630,216.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.