Finding the Fourth Proportional to 4,964,942.70, 7,447,414.05 and 2,445,518.70
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Solution
The fourth proportional to 4,964,942.70, 7,447,414.05 and 2,445,518.70 is: 3,668,278.05
Step by Step Solution
- Step 1: Write the proportion equation
4,964,942.70 : 7,447,414.05 = 2,445,518.70 : x - Step 2: Convert to fraction form
4,964,942.70/7,447,414.05 = 2,445,518.70/x - Step 3: Cross multiply
4,964,942.70x = 7,447,414.05 × 2,445,518.70 - Step 4: Simplify right side
4,964,942.70x = 18,212,790,325,917.73 - Step 5: Solve for x
x = 18,212,790,325,917.73/4,964,942.70 - Step 6: Final answer
x = 3,668,278.05
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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.