Finding the Fourth Proportional to 4,534,623.20, 6,809,307.60 and 3,281,247.20
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Solution
The fourth proportional to 4,534,623.20, 6,809,307.60 and 3,281,247.20 is: 4,927,205.75
Step by Step Solution
- Step 1: Write the proportion equation
4,534,623.20 : 6,809,307.60 = 3,281,247.20 : x - Step 2: Convert to fraction form
4,534,623.20/6,809,307.60 = 3,281,247.20/x - Step 3: Cross multiply
4,534,623.20x = 6,809,307.60 × 3,281,247.20 - Step 4: Simplify right side
4,534,623.20x = 22,343,021,496,438.72 - Step 5: Solve for x
x = 22,343,021,496,438.72/4,534,623.20 - Step 6: Final answer
x = 4,927,205.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.