Finding the Fourth Proportional to 5,324,546.17, 7,986,818.76 and 1,281,033.99
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Solution
The fourth proportional to 5,324,546.17, 7,986,818.76 and 1,281,033.99 is: 1,921,550.86
Step by Step Solution
- Step 1: Write the proportion equation
5,324,546.17 : 7,986,818.76 = 1,281,033.99 : x - Step 2: Convert to fraction form
5,324,546.17/7,986,818.76 = 1,281,033.99/x - Step 3: Cross multiply
5,324,546.17x = 7,986,818.76 × 1,281,033.99 - Step 4: Simplify right side
5,324,546.17x = 10,231,386,298,725.77 - Step 5: Solve for x
x = 10,231,386,298,725.77/5,324,546.17 - Step 6: Final answer
x = 1,921,550.86
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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.