Finding the Fourth Proportional to 3,926,880.20, 5,886,864.30 and 2,660,601.80
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Solution
The fourth proportional to 3,926,880.20, 5,886,864.30 and 2,660,601.80 is: 3,988,561.14
Step by Step Solution
- Step 1: Write the proportion equation
3,926,880.20 : 5,886,864.30 = 2,660,601.80 : x - Step 2: Convert to fraction form
3,926,880.20/5,886,864.30 = 2,660,601.80/x - Step 3: Cross multiply
3,926,880.20x = 5,886,864.30 × 2,660,601.80 - Step 4: Simplify right side
3,926,880.20x = 15,662,601,752,935.74 - Step 5: Solve for x
x = 15,662,601,752,935.74/3,926,880.20 - Step 6: Final answer
x = 3,988,561.14
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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.