Finding the Fourth Proportional to 4,891,697.56, 6,750,736.86 and 2,826,644.68
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Solution
The fourth proportional to 4,891,697.56, 6,750,736.86 and 2,826,644.68 is: 3,900,881.89
Step by Step Solution
- Step 1: Write the proportion equation
4,891,697.56 : 6,750,736.86 = 2,826,644.68 : x - Step 2: Convert to fraction form
4,891,697.56/6,750,736.86 = 2,826,644.68/x - Step 3: Cross multiply
4,891,697.56x = 6,750,736.86 × 2,826,644.68 - Step 4: Simplify right side
4,891,697.56x = 19,081,934,431,398.91 - Step 5: Solve for x
x = 19,081,934,431,398.91/4,891,697.56 - Step 6: Final answer
x = 3,900,881.89
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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.