Finding the Fourth Proportional to 2,646,692.70, 3,652,284.51 and 1,469,231.07
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Solution
The fourth proportional to 2,646,692.70, 3,652,284.51 and 1,469,231.07 is: 2,027,454.82
Step by Step Solution
- Step 1: Write the proportion equation
2,646,692.70 : 3,652,284.51 = 1,469,231.07 : x - Step 2: Convert to fraction form
2,646,692.70/3,652,284.51 = 1,469,231.07/x - Step 3: Cross multiply
2,646,692.70x = 3,652,284.51 × 1,469,231.07 - Step 4: Simplify right side
2,646,692.70x = 5,366,049,878,571.73 - Step 5: Solve for x
x = 5,366,049,878,571.73/2,646,692.70 - Step 6: Final answer
x = 2,027,454.82
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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.