Finding the Fourth Proportional to 3,138,670.92, 4,703,622.02 and 1,696,244.80
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Solution
The fourth proportional to 3,138,670.92, 4,703,622.02 and 1,696,244.80 is: 2,541,997.74
Step by Step Solution
- Step 1: Write the proportion equation
3,138,670.92 : 4,703,622.02 = 1,696,244.80 : x - Step 2: Convert to fraction form
3,138,670.92/4,703,622.02 = 1,696,244.80/x - Step 3: Cross multiply
3,138,670.92x = 4,703,622.02 × 1,696,244.80 - Step 4: Simplify right side
3,138,670.92x = 7,978,494,392,590.50 - Step 5: Solve for x
x = 7,978,494,392,590.50/3,138,670.92 - Step 6: Final answer
x = 2,541,997.74
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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.