Finding the Fourth Proportional to 6,317,971.50, 9,476,984.79 and 2,000,042.85
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Solution
The fourth proportional to 6,317,971.50, 9,476,984.79 and 2,000,042.85 is: 3,000,072.99
Step by Step Solution
- Step 1: Write the proportion equation
6,317,971.50 : 9,476,984.79 = 2,000,042.85 : x - Step 2: Convert to fraction form
6,317,971.50/9,476,984.79 = 2,000,042.85/x - Step 3: Cross multiply
6,317,971.50x = 9,476,984.79 × 2,000,042.85 - Step 4: Simplify right side
6,317,971.50x = 18,954,375,668,798.25 - Step 5: Solve for x
x = 18,954,375,668,798.25/6,317,971.50 - Step 6: Final answer
x = 3,000,072.99
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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.