Finding the Fourth Proportional to 1,911,234.31, 2,863,488.42 and 1,797,451.99
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Solution
The fourth proportional to 1,911,234.31, 2,863,488.42 and 1,797,451.99 is: 2,693,015.15
Step by Step Solution
- Step 1: Write the proportion equation
1,911,234.31 : 2,863,488.42 = 1,797,451.99 : x - Step 2: Convert to fraction form
1,911,234.31/2,863,488.42 = 1,797,451.99/x - Step 3: Cross multiply
1,911,234.31x = 2,863,488.42 × 1,797,451.99 - Step 4: Simplify right side
1,911,234.31x = 5,146,982,944,553.51 - Step 5: Solve for x
x = 5,146,982,944,553.51/1,911,234.31 - Step 6: Final answer
x = 2,693,015.15
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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.