Finding the Fourth Proportional to 5,371,241.08, 7,398,192.64 and 4,128,474.68
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Solution
The fourth proportional to 5,371,241.08, 7,398,192.64 and 4,128,474.68 is: 5,686,442.02
Step by Step Solution
- Step 1: Write the proportion equation
5,371,241.08 : 7,398,192.64 = 4,128,474.68 : x - Step 2: Convert to fraction form
5,371,241.08/7,398,192.64 = 4,128,474.68/x - Step 3: Cross multiply
5,371,241.08x = 7,398,192.64 × 4,128,474.68 - Step 4: Simplify right side
5,371,241.08x = 30,543,250,992,002.36 - Step 5: Solve for x
x = 30,543,250,992,002.36/5,371,241.08 - Step 6: Final answer
x = 5,686,442.02
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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.