Finding the Fourth Proportional to 3,033,692.88, 4,186,517.85 and 1,675,565.88
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Solution
The fourth proportional to 3,033,692.88, 4,186,517.85 and 1,675,565.88 is: 2,312,292.89
Step by Step Solution
- Step 1: Write the proportion equation
3,033,692.88 : 4,186,517.85 = 1,675,565.88 : x - Step 2: Convert to fraction form
3,033,692.88/4,186,517.85 = 1,675,565.88/x - Step 3: Cross multiply
3,033,692.88x = 4,186,517.85 × 1,675,565.88 - Step 4: Simplify right side
3,033,692.88x = 7,014,786,465,470.96 - Step 5: Solve for x
x = 7,014,786,465,470.96/3,033,692.88 - Step 6: Final answer
x = 2,312,292.89
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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.