Finding the Fourth Proportional to 7,541,391.28, 11,313,858.66 and 2,492,701.78
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Solution
The fourth proportional to 7,541,391.28, 11,313,858.66 and 2,492,701.78 is: 3,739,638.29
Step by Step Solution
- Step 1: Write the proportion equation
7,541,391.28 : 11,313,858.66 = 2,492,701.78 : x - Step 2: Convert to fraction form
7,541,391.28/11,313,858.66 = 2,492,701.78/x - Step 3: Cross multiply
7,541,391.28x = 11,313,858.66 × 2,492,701.78 - Step 4: Simplify right side
7,541,391.28x = 28,202,075,620,450.41 - Step 5: Solve for x
x = 28,202,075,620,450.41/7,541,391.28 - Step 6: Final answer
x = 3,739,638.29
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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.