Finding the Fourth Proportional to 2,676,191.15, 3,691,463.94 and 1,587,692.09
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Solution
The fourth proportional to 2,676,191.15, 3,691,463.94 and 1,587,692.09 is: 2,190,018.49
Step by Step Solution
- Step 1: Write the proportion equation
2,676,191.15 : 3,691,463.94 = 1,587,692.09 : x - Step 2: Convert to fraction form
2,676,191.15/3,691,463.94 = 1,587,692.09/x - Step 3: Cross multiply
2,676,191.15x = 3,691,463.94 × 1,587,692.09 - Step 4: Simplify right side
2,676,191.15x = 5,860,908,079,600.92 - Step 5: Solve for x
x = 5,860,908,079,600.92/2,676,191.15 - Step 6: Final answer
x = 2,190,018.49
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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.