Finding the Fourth Proportional to 5,147,629.17, 7,104,358.26 and 2,972,168.67
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Solution
The fourth proportional to 5,147,629.17, 7,104,358.26 and 2,972,168.67 is: 4,101,956.52
Step by Step Solution
- Step 1: Write the proportion equation
5,147,629.17 : 7,104,358.26 = 2,972,168.67 : x - Step 2: Convert to fraction form
5,147,629.17/7,104,358.26 = 2,972,168.67/x - Step 3: Cross multiply
5,147,629.17x = 7,104,358.26 × 2,972,168.67 - Step 4: Simplify right side
5,147,629.17x = 21,115,351,040,827.71 - Step 5: Solve for x
x = 21,115,351,040,827.71/5,147,629.17 - Step 6: Final answer
x = 4,101,956.52
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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.