Finding the Fourth Proportional to 2,786,163.47, 4,178,965.29 and 764,610.93
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Solution
The fourth proportional to 2,786,163.47, 4,178,965.29 and 764,610.93 is: 1,146,839.58
Step by Step Solution
- Step 1: Write the proportion equation
2,786,163.47 : 4,178,965.29 = 764,610.93 : x - Step 2: Convert to fraction form
2,786,163.47/4,178,965.29 = 764,610.93/x - Step 3: Cross multiply
2,786,163.47x = 4,178,965.29 × 764,610.93 - Step 4: Simplify right side
2,786,163.47x = 3,195,282,536,824.62 - Step 5: Solve for x
x = 3,195,282,536,824.62/2,786,163.47 - Step 6: Final answer
x = 1,146,839.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.