Finding the Fourth Proportional to 4,647,474.40, 6,952,549.20 and 4,023,320.80
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Solution
The fourth proportional to 4,647,474.40, 6,952,549.20 and 4,023,320.80 is: 6,018,825.15
Step by Step Solution
- Step 1: Write the proportion equation
4,647,474.40 : 6,952,549.20 = 4,023,320.80 : x - Step 2: Convert to fraction form
4,647,474.40/6,952,549.20 = 4,023,320.80/x - Step 3: Cross multiply
4,647,474.40x = 6,952,549.20 × 4,023,320.80 - Step 4: Simplify right side
4,647,474.40x = 27,972,335,809,383.36 - Step 5: Solve for x
x = 27,972,335,809,383.36/4,647,474.40 - Step 6: Final answer
x = 6,018,825.15
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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.