Finding the Fourth Proportional to 5,631,651.99, 7,771,832.76 and 3,184,629.16
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Solution
The fourth proportional to 5,631,651.99, 7,771,832.76 and 3,184,629.16 is: 4,394,874.77
Step by Step Solution
- Step 1: Write the proportion equation
5,631,651.99 : 7,771,832.76 = 3,184,629.16 : x - Step 2: Convert to fraction form
5,631,651.99/7,771,832.76 = 3,184,629.16/x - Step 3: Cross multiply
5,631,651.99x = 7,771,832.76 × 3,184,629.16 - Step 4: Simplify right side
5,631,651.99x = 24,750,405,234,139.28 - Step 5: Solve for x
x = 24,750,405,234,139.28/5,631,651.99 - Step 6: Final answer
x = 4,394,874.77
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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.