Finding the Fourth Proportional to 5,384,101.05, 7,430,082.57 and 2,936,764.65
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Solution
The fourth proportional to 5,384,101.05, 7,430,082.57 and 2,936,764.65 is: 4,052,747.83
Step by Step Solution
- Step 1: Write the proportion equation
5,384,101.05 : 7,430,082.57 = 2,936,764.65 : x - Step 2: Convert to fraction form
5,384,101.05/7,430,082.57 = 2,936,764.65/x - Step 3: Cross multiply
5,384,101.05x = 7,430,082.57 × 2,936,764.65 - Step 4: Simplify right side
5,384,101.05x = 21,820,403,838,157.15 - Step 5: Solve for x
x = 21,820,403,838,157.15/5,384,101.05 - Step 6: Final answer
x = 4,052,747.83
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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.