Finding the Fourth Proportional to 3,738,621.49, 5,607,930.21 and 898,732.74
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Solution
The fourth proportional to 3,738,621.49, 5,607,930.21 and 898,732.74 is: 1,348,098.62
Step by Step Solution
- Step 1: Write the proportion equation
3,738,621.49 : 5,607,930.21 = 898,732.74 : x - Step 2: Convert to fraction form
3,738,621.49/5,607,930.21 = 898,732.74/x - Step 3: Cross multiply
3,738,621.49x = 5,607,930.21 × 898,732.74 - Step 4: Simplify right side
3,738,621.49x = 5,040,030,455,322.42 - Step 5: Solve for x
x = 5,040,030,455,322.42/3,738,621.49 - Step 6: Final answer
x = 1,348,098.62
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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.