Finding the Fourth Proportional to 3,896,166.17, 5,376,716.61 and 2,177,286.68
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Solution
The fourth proportional to 3,896,166.17, 5,376,716.61 and 2,177,286.68 is: 3,004,659.70
Step by Step Solution
- Step 1: Write the proportion equation
3,896,166.17 : 5,376,716.61 = 2,177,286.68 : x - Step 2: Convert to fraction form
3,896,166.17/5,376,716.61 = 2,177,286.68/x - Step 3: Cross multiply
3,896,166.17x = 5,376,716.61 × 2,177,286.68 - Step 4: Simplify right side
3,896,166.17x = 11,706,653,462,364.72 - Step 5: Solve for x
x = 11,706,653,462,364.72/3,896,166.17 - Step 6: Final answer
x = 3,004,659.70
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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.