Finding the Fourth Proportional to 3,722,920.29, 5,137,070.36 and 2,091,015.09
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Solution
The fourth proportional to 3,722,920.29, 5,137,070.36 and 2,091,015.09 is: 2,885,286.49
Step by Step Solution
- Step 1: Write the proportion equation
3,722,920.29 : 5,137,070.36 = 2,091,015.09 : x - Step 2: Convert to fraction form
3,722,920.29/5,137,070.36 = 2,091,015.09/x - Step 3: Cross multiply
3,722,920.29x = 5,137,070.36 × 2,091,015.09 - Step 4: Simplify right side
3,722,920.29x = 10,741,691,630,696.66 - Step 5: Solve for x
x = 10,741,691,630,696.66/3,722,920.29 - Step 6: Final answer
x = 2,885,286.49
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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.