Finding the Fourth Proportional to 5,476,692.70, 7,555,321.47 and 3,543,583.42
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Solution
The fourth proportional to 5,476,692.70, 7,555,321.47 and 3,543,583.42 is: 4,888,518.19
Step by Step Solution
- Step 1: Write the proportion equation
5,476,692.70 : 7,555,321.47 = 3,543,583.42 : x - Step 2: Convert to fraction form
5,476,692.70/7,555,321.47 = 3,543,583.42/x - Step 3: Cross multiply
5,476,692.70x = 7,555,321.47 × 3,543,583.42 - Step 4: Simplify right side
5,476,692.70x = 26,772,911,893,862.03 - Step 5: Solve for x
x = 26,772,911,893,862.03/5,476,692.70 - Step 6: Final answer
x = 4,888,518.19
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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.