Finding the Fourth Proportional to 3,933,805.74, 5,901,758.64 and 1,409,716.14
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Solution
The fourth proportional to 3,933,805.74, 5,901,758.64 and 1,409,716.14 is: 2,114,950.50
Step by Step Solution
- Step 1: Write the proportion equation
3,933,805.74 : 5,901,758.64 = 1,409,716.14 : x - Step 2: Convert to fraction form
3,933,805.74/5,901,758.64 = 1,409,716.14/x - Step 3: Cross multiply
3,933,805.74x = 5,901,758.64 × 1,409,716.14 - Step 4: Simplify right side
3,933,805.74x = 8,319,804,409,192.45 - Step 5: Solve for x
x = 8,319,804,409,192.45/3,933,805.74 - Step 6: Final answer
x = 2,114,950.50
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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.