Finding the Fourth Proportional to 5,431,657.70, 8,147,486.55 and 2,445,673.70
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Solution
The fourth proportional to 5,431,657.70, 8,147,486.55 and 2,445,673.70 is: 3,668,510.55
Step by Step Solution
- Step 1: Write the proportion equation
5,431,657.70 : 8,147,486.55 = 2,445,673.70 : x - Step 2: Convert to fraction form
5,431,657.70/8,147,486.55 = 2,445,673.70/x - Step 3: Cross multiply
5,431,657.70x = 8,147,486.55 × 2,445,673.70 - Step 4: Simplify right side
5,431,657.70x = 19,926,093,576,438.73 - Step 5: Solve for x
x = 19,926,093,576,438.73/5,431,657.70 - Step 6: Final answer
x = 3,668,510.55
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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.