Finding the Fourth Proportional to 5,790,686.58, 7,992,105.42 and 3,213,197.76
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Solution
The fourth proportional to 5,790,686.58, 7,992,105.42 and 3,213,197.76 is: 4,434,744.46
Step by Step Solution
- Step 1: Write the proportion equation
5,790,686.58 : 7,992,105.42 = 3,213,197.76 : x - Step 2: Convert to fraction form
5,790,686.58/7,992,105.42 = 3,213,197.76/x - Step 3: Cross multiply
5,790,686.58x = 7,992,105.42 × 3,213,197.76 - Step 4: Simplify right side
5,790,686.58x = 25,680,215,233,227.86 - Step 5: Solve for x
x = 25,680,215,233,227.86/5,790,686.58 - Step 6: Final answer
x = 4,434,744.46
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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.