Finding the Fourth Proportional to 5,361,631.46, 7,402,614.51 and 4,119,028.75
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Solution
The fourth proportional to 5,361,631.46, 7,402,614.51 and 4,119,028.75 is: 5,686,996.99
Step by Step Solution
- Step 1: Write the proportion equation
5,361,631.46 : 7,402,614.51 = 4,119,028.75 : x - Step 2: Convert to fraction form
5,361,631.46/7,402,614.51 = 4,119,028.75/x - Step 3: Cross multiply
5,361,631.46x = 7,402,614.51 × 4,119,028.75 - Step 4: Simplify right side
5,361,631.46x = 30,491,581,991,857.16 - Step 5: Solve for x
x = 30,491,581,991,857.16/5,361,631.46 - Step 6: Final answer
x = 5,686,996.99
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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.