Finding the Fourth Proportional to 5,902,388.48, 8,145,323.88 and 3,324,113.12
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Solution
The fourth proportional to 5,902,388.48, 8,145,323.88 and 3,324,113.12 is: 4,587,291.75
Step by Step Solution
- Step 1: Write the proportion equation
5,902,388.48 : 8,145,323.88 = 3,324,113.12 : x - Step 2: Convert to fraction form
5,902,388.48/8,145,323.88 = 3,324,113.12/x - Step 3: Cross multiply
5,902,388.48x = 8,145,323.88 × 3,324,113.12 - Step 4: Simplify right side
5,902,388.48x = 27,075,977,976,157.30 - Step 5: Solve for x
x = 27,075,977,976,157.30/5,902,388.48 - Step 6: Final answer
x = 4,587,291.75
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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.