Finding the Fourth Proportional to 6,645,540.27, 9,969,991.66 and 1,853,230.05
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Solution
The fourth proportional to 6,645,540.27, 9,969,991.66 and 1,853,230.05 is: 2,780,313.92
Step by Step Solution
- Step 1: Write the proportion equation
6,645,540.27 : 9,969,991.66 = 1,853,230.05 : x - Step 2: Convert to fraction form
6,645,540.27/9,969,991.66 = 1,853,230.05/x - Step 3: Cross multiply
6,645,540.27x = 9,969,991.66 × 1,853,230.05 - Step 4: Simplify right side
6,645,540.27x = 18,476,688,101,514.70 - Step 5: Solve for x
x = 18,476,688,101,514.70/6,645,540.27 - Step 6: Final answer
x = 2,780,313.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.