Finding the Fourth Proportional to 5,183,832.74, 7,775,861.09 and 1,589,520.11
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Solution
The fourth proportional to 5,183,832.74, 7,775,861.09 and 1,589,520.11 is: 2,384,314.49
Step by Step Solution
- Step 1: Write the proportion equation
5,183,832.74 : 7,775,861.09 = 1,589,520.11 : x - Step 2: Convert to fraction form
5,183,832.74/7,775,861.09 = 1,589,520.11/x - Step 3: Cross multiply
5,183,832.74x = 7,775,861.09 × 1,589,520.11 - Step 4: Simplify right side
5,183,832.74x = 12,359,887,528,294.61 - Step 5: Solve for x
x = 12,359,887,528,294.61/5,183,832.74 - Step 6: Final answer
x = 2,384,314.49
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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.