Finding the Fourth Proportional to 3,658,680.75, 5,048,979.44 and 2,049,048.75
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Solution
The fourth proportional to 3,658,680.75, 5,048,979.44 and 2,049,048.75 is: 2,827,687.28
Step by Step Solution
- Step 1: Write the proportion equation
3,658,680.75 : 5,048,979.44 = 2,049,048.75 : x - Step 2: Convert to fraction form
3,658,680.75/5,048,979.44 = 2,049,048.75/x - Step 3: Cross multiply
3,658,680.75x = 5,048,979.44 × 2,049,048.75 - Step 4: Simplify right side
3,658,680.75x = 10,345,605,000,062.46 - Step 5: Solve for x
x = 10,345,605,000,062.46/3,658,680.75 - Step 6: Final answer
x = 2,827,687.28
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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.