Finding the Fourth Proportional to 5,229,691.16, 7,214,898.46 and 3,024,146.44
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Solution
The fourth proportional to 5,229,691.16, 7,214,898.46 and 3,024,146.44 is: 4,172,121.99
Step by Step Solution
- Step 1: Write the proportion equation
5,229,691.16 : 7,214,898.46 = 3,024,146.44 : x - Step 2: Convert to fraction form
5,229,691.16/7,214,898.46 = 3,024,146.44/x - Step 3: Cross multiply
5,229,691.16x = 7,214,898.46 × 3,024,146.44 - Step 4: Simplify right side
5,229,691.16x = 21,818,909,492,770.48 - Step 5: Solve for x
x = 21,818,909,492,770.48/5,229,691.16 - Step 6: Final answer
x = 4,172,121.99
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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.