Finding the Fourth Proportional to 5,369,122.80, 7,409,390.67 and 2,954,674.80
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Solution
The fourth proportional to 5,369,122.80, 7,409,390.67 and 2,954,674.80 is: 4,077,451.89
Step by Step Solution
- Step 1: Write the proportion equation
5,369,122.80 : 7,409,390.67 = 2,954,674.80 : x - Step 2: Convert to fraction form
5,369,122.80/7,409,390.67 = 2,954,674.80/x - Step 3: Cross multiply
5,369,122.80x = 7,409,390.67 × 2,954,674.80 - Step 4: Simplify right side
5,369,122.80x = 21,892,339,896,004.11 - Step 5: Solve for x
x = 21,892,339,896,004.11/5,369,122.80 - Step 6: Final answer
x = 4,077,451.89
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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.