Finding the Fourth Proportional to 4,906,639.18, 7,360,758.26 and 1,448,728.42
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Solution
The fourth proportional to 4,906,639.18, 7,360,758.26 and 1,448,728.42 is: 2,173,328.69
Step by Step Solution
- Step 1: Write the proportion equation
4,906,639.18 : 7,360,758.26 = 1,448,728.42 : x - Step 2: Convert to fraction form
4,906,639.18/7,360,758.26 = 1,448,728.42/x - Step 3: Cross multiply
4,906,639.18x = 7,360,758.26 × 1,448,728.42 - Step 4: Simplify right side
4,906,639.18x = 10,663,739,684,011.75 - Step 5: Solve for x
x = 10,663,739,684,011.75/4,906,639.18 - Step 6: Final answer
x = 2,173,328.69
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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.