Finding the Fourth Proportional to 2,217,492.99, 3,060,144.97 and 1,198,897.74
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Solution
The fourth proportional to 2,217,492.99, 3,060,144.97 and 1,198,897.74 is: 1,654,481.39
Step by Step Solution
- Step 1: Write the proportion equation
2,217,492.99 : 3,060,144.97 = 1,198,897.74 : x - Step 2: Convert to fraction form
2,217,492.99/3,060,144.97 = 1,198,897.74/x - Step 3: Cross multiply
2,217,492.99x = 3,060,144.97 × 1,198,897.74 - Step 4: Simplify right side
2,217,492.99x = 3,668,800,885,608.12 - Step 5: Solve for x
x = 3,668,800,885,608.12/2,217,492.99 - Step 6: Final answer
x = 1,654,481.39
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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.