Finding the Fourth Proportional to 2,207,865.12, 3,313,082.34 and 928,379.82
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Solution
The fourth proportional to 2,207,865.12, 3,313,082.34 and 928,379.82 is: 1,393,109.91
Step by Step Solution
- Step 1: Write the proportion equation
2,207,865.12 : 3,313,082.34 = 928,379.82 : x - Step 2: Convert to fraction form
2,207,865.12/3,313,082.34 = 928,379.82/x - Step 3: Cross multiply
2,207,865.12x = 3,313,082.34 × 928,379.82 - Step 4: Simplify right side
2,207,865.12x = 3,075,798,786,454.38 - Step 5: Solve for x
x = 3,075,798,786,454.38/2,207,865.12 - Step 6: Final answer
x = 1,393,109.91
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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.