Finding the Fourth Proportional to 5,376,579.82, 7,419,657.75 and 2,929,183.24
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Solution
The fourth proportional to 5,376,579.82, 7,419,657.75 and 2,929,183.24 is: 4,042,260.67
Step by Step Solution
- Step 1: Write the proportion equation
5,376,579.82 : 7,419,657.75 = 2,929,183.24 : x - Step 2: Convert to fraction form
5,376,579.82/7,419,657.75 = 2,929,183.24/x - Step 3: Cross multiply
5,376,579.82x = 7,419,657.75 × 2,929,183.24 - Step 4: Simplify right side
5,376,579.82x = 21,733,537,127,836.11 - Step 5: Solve for x
x = 21,733,537,127,836.11/5,376,579.82 - Step 6: Final answer
x = 4,042,260.67
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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.