Finding the Fourth Proportional to 3,075,944.19, 4,244,782.81 and 1,699,376.68
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Solution
The fourth proportional to 3,075,944.19, 4,244,782.81 and 1,699,376.68 is: 2,345,128.68
Step by Step Solution
- Step 1: Write the proportion equation
3,075,944.19 : 4,244,782.81 = 1,699,376.68 : x - Step 2: Convert to fraction form
3,075,944.19/4,244,782.81 = 1,699,376.68/x - Step 3: Cross multiply
3,075,944.19x = 4,244,782.81 × 1,699,376.68 - Step 4: Simplify right side
3,075,944.19x = 7,213,484,942,330.35 - Step 5: Solve for x
x = 7,213,484,942,330.35/3,075,944.19 - Step 6: Final answer
x = 2,345,128.68
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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.