Finding the Fourth Proportional to 5,642,662.14, 8,462,861.64 and 2,762,788.14
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Solution
The fourth proportional to 5,642,662.14, 8,462,861.64 and 2,762,788.14 is: 4,143,628.17
Step by Step Solution
- Step 1: Write the proportion equation
5,642,662.14 : 8,462,861.64 = 2,762,788.14 : x - Step 2: Convert to fraction form
5,642,662.14/8,462,861.64 = 2,762,788.14/x - Step 3: Cross multiply
5,642,662.14x = 8,462,861.64 × 2,762,788.14 - Step 4: Simplify right side
5,642,662.14x = 23,381,093,769,452.95 - Step 5: Solve for x
x = 23,381,093,769,452.95/5,642,662.14 - Step 6: Final answer
x = 4,143,628.17
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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.