Finding the Fourth Proportional to 2,075,178.80, 3,114,168.84 and 812,849.84
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Solution
The fourth proportional to 2,075,178.80, 3,114,168.84 and 812,849.84 is: 1,219,823.39
Step by Step Solution
- Step 1: Write the proportion equation
2,075,178.80 : 3,114,168.84 = 812,849.84 : x - Step 2: Convert to fraction form
2,075,178.80/3,114,168.84 = 812,849.84/x - Step 3: Cross multiply
2,075,178.80x = 3,114,168.84 × 812,849.84 - Step 4: Simplify right side
2,075,178.80x = 2,531,351,643,326.99 - Step 5: Solve for x
x = 2,531,351,643,326.99/2,075,178.80 - Step 6: Final answer
x = 1,219,823.39
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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.