Finding the Fourth Proportional to 5,183,837.96, 7,779,227.70 and 2,151,206.96
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Solution
The fourth proportional to 5,183,837.96, 7,779,227.70 and 2,151,206.96 is: 3,228,250.75
Step by Step Solution
- Step 1: Write the proportion equation
5,183,837.96 : 7,779,227.70 = 2,151,206.96 : x - Step 2: Convert to fraction form
5,183,837.96/7,779,227.70 = 2,151,206.96/x - Step 3: Cross multiply
5,183,837.96x = 7,779,227.70 × 2,151,206.96 - Step 4: Simplify right side
5,183,837.96x = 16,734,728,771,664.79 - Step 5: Solve for x
x = 16,734,728,771,664.79/5,183,837.96 - Step 6: Final answer
x = 3,228,250.75
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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.