Finding the Fourth Proportional to 4,821,060.42, 6,653,163.69 and 2,645,476.56
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Solution
The fourth proportional to 4,821,060.42, 6,653,163.69 and 2,645,476.56 is: 3,650,812.70
Step by Step Solution
- Step 1: Write the proportion equation
4,821,060.42 : 6,653,163.69 = 2,645,476.56 : x - Step 2: Convert to fraction form
4,821,060.42/6,653,163.69 = 2,645,476.56/x - Step 3: Cross multiply
4,821,060.42x = 6,653,163.69 × 2,645,476.56 - Step 4: Simplify right side
4,821,060.42x = 17,600,788,591,738.11 - Step 5: Solve for x
x = 17,600,788,591,738.11/4,821,060.42 - Step 6: Final answer
x = 3,650,812.70
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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.