Finding the Fourth Proportional to 5,738,382.20, 7,918,711.99 and 3,289,237.44
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Solution
The fourth proportional to 5,738,382.20, 7,918,711.99 and 3,289,237.44 is: 4,539,001.25
Step by Step Solution
- Step 1: Write the proportion equation
5,738,382.20 : 7,918,711.99 = 3,289,237.44 : x - Step 2: Convert to fraction form
5,738,382.20/7,918,711.99 = 3,289,237.44/x - Step 3: Cross multiply
5,738,382.20x = 7,918,711.99 × 3,289,237.44 - Step 4: Simplify right side
5,738,382.20x = 26,046,523,945,861.81 - Step 5: Solve for x
x = 26,046,523,945,861.81/5,738,382.20 - Step 6: Final answer
x = 4,539,001.25
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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.