Finding the Fourth Proportional to 5,777,278.51, 7,972,546.92 and 3,198,903.93
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Solution
The fourth proportional to 5,777,278.51, 7,972,546.92 and 3,198,903.93 is: 4,414,433.48
Step by Step Solution
- Step 1: Write the proportion equation
5,777,278.51 : 7,972,546.92 = 3,198,903.93 : x - Step 2: Convert to fraction form
5,777,278.51/7,972,546.92 = 3,198,903.93/x - Step 3: Cross multiply
5,777,278.51x = 7,972,546.92 × 3,198,903.93 - Step 4: Simplify right side
5,777,278.51x = 25,503,411,674,497.40 - Step 5: Solve for x
x = 25,503,411,674,497.40/5,777,278.51 - Step 6: Final answer
x = 4,414,433.48
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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.