Finding the Fourth Proportional to 5,790,208.70, 7,991,446.30 and 3,212,719.86
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Solution
The fourth proportional to 5,790,208.70, 7,991,446.30 and 3,212,719.86 is: 4,434,085.12
Step by Step Solution
- Step 1: Write the proportion equation
5,790,208.70 : 7,991,446.30 = 3,212,719.86 : x - Step 2: Convert to fraction form
5,790,208.70/7,991,446.30 = 3,212,719.86/x - Step 3: Cross multiply
5,790,208.70x = 7,991,446.30 × 3,212,719.86 - Step 4: Simplify right side
5,790,208.70x = 25,674,278,238,133.52 - Step 5: Solve for x
x = 25,674,278,238,133.52/5,790,208.70 - Step 6: Final answer
x = 4,434,085.12
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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.