Finding the Fourth Proportional to 5,754,049.92, 7,940,549.88 and 3,175,730.70
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Solution
The fourth proportional to 5,754,049.92, 7,940,549.88 and 3,175,730.70 is: 4,382,486.84
Step by Step Solution
- Step 1: Write the proportion equation
5,754,049.92 : 7,940,549.88 = 3,175,730.70 : x - Step 2: Convert to fraction form
5,754,049.92/7,940,549.88 = 3,175,730.70/x - Step 3: Cross multiply
5,754,049.92x = 7,940,549.88 × 3,175,730.70 - Step 4: Simplify right side
5,754,049.92x = 25,217,048,028,797.32 - Step 5: Solve for x
x = 25,217,048,028,797.32/5,754,049.92 - Step 6: Final answer
x = 4,382,486.84
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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.