Finding the Fourth Proportional to 2,073,075.04, 2,860,940.96 and 1,213,912.09
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Solution
The fourth proportional to 2,073,075.04, 2,860,940.96 and 1,213,912.09 is: 1,675,255.72
Step by Step Solution
- Step 1: Write the proportion equation
2,073,075.04 : 2,860,940.96 = 1,213,912.09 : x - Step 2: Convert to fraction form
2,073,075.04/2,860,940.96 = 1,213,912.09/x - Step 3: Cross multiply
2,073,075.04x = 2,860,940.96 × 1,213,912.09 - Step 4: Simplify right side
2,073,075.04x = 3,472,930,820,120.21 - Step 5: Solve for x
x = 3,472,930,820,120.21/2,073,075.04 - Step 6: Final answer
x = 1,675,255.72
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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.