Finding the Fourth Proportional to 1,702,433.24, 2,350,013.64 and 1,247,163.73
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Solution
The fourth proportional to 1,702,433.24, 2,350,013.64 and 1,247,163.73 is: 1,721,566.35
Step by Step Solution
- Step 1: Write the proportion equation
1,702,433.24 : 2,350,013.64 = 1,247,163.73 : x - Step 2: Convert to fraction form
1,702,433.24/2,350,013.64 = 1,247,163.73/x - Step 3: Cross multiply
1,702,433.24x = 2,350,013.64 × 1,247,163.73 - Step 4: Simplify right side
1,702,433.24x = 2,930,851,770,938.24 - Step 5: Solve for x
x = 2,930,851,770,938.24/1,702,433.24 - Step 6: Final answer
x = 1,721,566.35
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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.