Finding the Fourth Proportional to 2,672,626.47, 3,691,269.26 and 1,811,692.05
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Solution
The fourth proportional to 2,672,626.47, 3,691,269.26 and 1,811,692.05 is: 2,502,198.96
Step by Step Solution
- Step 1: Write the proportion equation
2,672,626.47 : 3,691,269.26 = 1,811,692.05 : x - Step 2: Convert to fraction form
2,672,626.47/3,691,269.26 = 1,811,692.05/x - Step 3: Cross multiply
2,672,626.47x = 3,691,269.26 × 1,811,692.05 - Step 4: Simplify right side
2,672,626.47x = 6,687,443,177,407.90 - Step 5: Solve for x
x = 6,687,443,177,407.90/2,672,626.47 - Step 6: Final answer
x = 2,502,198.96
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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.