Finding the Fourth Proportional to 4,167,152.16, 6,281,961.60 and 3,889,391.52
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Solution
The fourth proportional to 4,167,152.16, 6,281,961.60 and 3,889,391.52 is: 5,863,238.79
Step by Step Solution
- Step 1: Write the proportion equation
4,167,152.16 : 6,281,961.60 = 3,889,391.52 : x - Step 2: Convert to fraction form
4,167,152.16/6,281,961.60 = 3,889,391.52/x - Step 3: Cross multiply
4,167,152.16x = 6,281,961.60 × 3,889,391.52 - Step 4: Simplify right side
4,167,152.16x = 24,433,008,176,005.63 - Step 5: Solve for x
x = 24,433,008,176,005.63/4,167,152.16 - Step 6: Final answer
x = 5,863,238.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.