Finding the Fourth Proportional to 3,620,921.67, 5,431,367.12 and 925,242.62
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Solution
The fourth proportional to 3,620,921.67, 5,431,367.12 and 925,242.62 is: 1,387,859.99
Step by Step Solution
- Step 1: Write the proportion equation
3,620,921.67 : 5,431,367.12 = 925,242.62 : x - Step 2: Convert to fraction form
3,620,921.67/5,431,367.12 = 925,242.62/x - Step 3: Cross multiply
3,620,921.67x = 5,431,367.12 × 925,242.62 - Step 4: Simplify right side
3,620,921.67x = 5,025,332,312,507.61 - Step 5: Solve for x
x = 5,025,332,312,507.61/3,620,921.67 - Step 6: Final answer
x = 1,387,859.99
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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.