Finding the Fourth Proportional to 5,778,182.96, 8,665,229.90 and 1,678,651.12
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Solution
The fourth proportional to 5,778,182.96, 8,665,229.90 and 1,678,651.12 is: 2,517,382.71
Step by Step Solution
- Step 1: Write the proportion equation
5,778,182.96 : 8,665,229.90 = 1,678,651.12 : x - Step 2: Convert to fraction form
5,778,182.96/8,665,229.90 = 1,678,651.12/x - Step 3: Cross multiply
5,778,182.96x = 8,665,229.90 × 1,678,651.12 - Step 4: Simplify right side
5,778,182.96x = 14,545,897,876,692.49 - Step 5: Solve for x
x = 14,545,897,876,692.49/5,778,182.96 - Step 6: Final answer
x = 2,517,382.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.