Finding the Fourth Proportional to 5,117,613.88, 7,674,298.74 and 2,082,920.08
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Solution
The fourth proportional to 5,117,613.88, 7,674,298.74 and 2,082,920.08 is: 3,123,516.41
Step by Step Solution
- Step 1: Write the proportion equation
5,117,613.88 : 7,674,298.74 = 2,082,920.08 : x - Step 2: Convert to fraction form
5,117,613.88/7,674,298.74 = 2,082,920.08/x - Step 3: Cross multiply
5,117,613.88x = 7,674,298.74 × 2,082,920.08 - Step 4: Simplify right side
5,117,613.88x = 15,984,950,945,464.70 - Step 5: Solve for x
x = 15,984,950,945,464.70/5,117,613.88 - Step 6: Final answer
x = 3,123,516.41
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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.