Finding the Fourth Proportional to 3,075,699.84, 4,244,474.88 and 1,717,624.32
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Solution
The fourth proportional to 3,075,699.84, 4,244,474.88 and 1,717,624.32 is: 2,370,326.64
Step by Step Solution
- Step 1: Write the proportion equation
3,075,699.84 : 4,244,474.88 = 1,717,624.32 : x - Step 2: Convert to fraction form
3,075,699.84/4,244,474.88 = 1,717,624.32/x - Step 3: Cross multiply
3,075,699.84x = 4,244,474.88 × 1,717,624.32 - Step 4: Simplify right side
3,075,699.84x = 7,290,413,279,517.08 - Step 5: Solve for x
x = 7,290,413,279,517.08/3,075,699.84 - Step 6: Final answer
x = 2,370,326.64
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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.