Finding the Fourth Proportional to 2,790,752.28, 3,856,524.68 and 2,377,231.08
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Solution
The fourth proportional to 2,790,752.28, 3,856,524.68 and 2,377,231.08 is: 3,285,082.09
Step by Step Solution
- Step 1: Write the proportion equation
2,790,752.28 : 3,856,524.68 = 2,377,231.08 : x - Step 2: Convert to fraction form
2,790,752.28/3,856,524.68 = 2,377,231.08/x - Step 3: Cross multiply
2,790,752.28x = 3,856,524.68 × 2,377,231.08 - Step 4: Simplify right side
2,790,752.28x = 9,167,850,330,083.06 - Step 5: Solve for x
x = 9,167,850,330,083.06/2,790,752.28 - Step 6: Final answer
x = 3,285,082.09
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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.