Finding the Fourth Proportional to 3,668,858.02, 5,054,692.84 and 2,839,078.02
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Solution
The fourth proportional to 3,668,858.02, 5,054,692.84 and 2,839,078.02 is: 3,911,480.70
Step by Step Solution
- Step 1: Write the proportion equation
3,668,858.02 : 5,054,692.84 = 2,839,078.02 : x - Step 2: Convert to fraction form
3,668,858.02/5,054,692.84 = 2,839,078.02/x - Step 3: Cross multiply
3,668,858.02x = 5,054,692.84 × 2,839,078.02 - Step 4: Simplify right side
3,668,858.02x = 14,350,667,339,895.38 - Step 5: Solve for x
x = 14,350,667,339,895.38/3,668,858.02 - Step 6: Final answer
x = 3,911,480.70
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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.