Finding the Fourth Proportional to 4,991,861.16, 7,488,724.94 and 2,000,278.44
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Solution
The fourth proportional to 4,991,861.16, 7,488,724.94 and 2,000,278.44 is: 3,000,791.60
Step by Step Solution
- Step 1: Write the proportion equation
4,991,861.16 : 7,488,724.94 = 2,000,278.44 : x - Step 2: Convert to fraction form
4,991,861.16/7,488,724.94 = 2,000,278.44/x - Step 3: Cross multiply
4,991,861.16x = 7,488,724.94 × 2,000,278.44 - Step 4: Simplify right side
4,991,861.16x = 14,979,535,040,572.29 - Step 5: Solve for x
x = 14,979,535,040,572.29/4,991,861.16 - Step 6: Final answer
x = 3,000,791.60
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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.