Finding the Fourth Proportional to 4,885,108.12, 6,741,473.70 and 2,709,499.96
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Solution
The fourth proportional to 4,885,108.12, 6,741,473.70 and 2,709,499.96 is: 3,739,123.53
Step by Step Solution
- Step 1: Write the proportion equation
4,885,108.12 : 6,741,473.70 = 2,709,499.96 : x - Step 2: Convert to fraction form
4,885,108.12/6,741,473.70 = 2,709,499.96/x - Step 3: Cross multiply
4,885,108.12x = 6,741,473.70 × 2,709,499.96 - Step 4: Simplify right side
4,885,108.12x = 18,266,022,720,491.05 - Step 5: Solve for x
x = 18,266,022,720,491.05/4,885,108.12 - Step 6: Final answer
x = 3,739,123.53
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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.