Finding the Fourth Proportional to 1,853,183.06, 2,557,446.05 and 1,037,381.94
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Solution
The fourth proportional to 1,853,183.06, 2,557,446.05 and 1,037,381.94 is: 1,431,616.99
Step by Step Solution
- Step 1: Write the proportion equation
1,853,183.06 : 2,557,446.05 = 1,037,381.94 : x - Step 2: Convert to fraction form
1,853,183.06/2,557,446.05 = 1,037,381.94/x - Step 3: Cross multiply
1,853,183.06x = 2,557,446.05 × 1,037,381.94 - Step 4: Simplify right side
1,853,183.06x = 2,653,048,339,607.43 - Step 5: Solve for x
x = 2,653,048,339,607.43/1,853,183.06 - Step 6: Final answer
x = 1,431,616.99
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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.