Finding the Fourth Proportional to 5,930,980.48, 8,184,765.12 and 3,214,728.32
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Solution
The fourth proportional to 5,930,980.48, 8,184,765.12 and 3,214,728.32 is: 4,436,331.62
Step by Step Solution
- Step 1: Write the proportion equation
5,930,980.48 : 8,184,765.12 = 3,214,728.32 : x - Step 2: Convert to fraction form
5,930,980.48/8,184,765.12 = 3,214,728.32/x - Step 3: Cross multiply
5,930,980.48x = 8,184,765.12 × 3,214,728.32 - Step 4: Simplify right side
5,930,980.48x = 26,311,796,223,812.20 - Step 5: Solve for x
x = 26,311,796,223,812.20/5,930,980.48 - Step 6: Final answer
x = 4,436,331.62
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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.