Finding the Fourth Proportional to 4,163,586.84, 5,746,971.64 and 2,421,665.94
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Solution
The fourth proportional to 4,163,586.84, 5,746,971.64 and 2,421,665.94 is: 3,342,609.63
Step by Step Solution
- Step 1: Write the proportion equation
4,163,586.84 : 5,746,971.64 = 2,421,665.94 : x - Step 2: Convert to fraction form
4,163,586.84/5,746,971.64 = 2,421,665.94/x - Step 3: Cross multiply
4,163,586.84x = 5,746,971.64 × 2,421,665.94 - Step 4: Simplify right side
4,163,586.84x = 13,917,245,478,733.94 - Step 5: Solve for x
x = 13,917,245,478,733.94/4,163,586.84 - Step 6: Final answer
x = 3,342,609.63
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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.