Finding the Fourth Proportional to 5,277,414.60, 7,906,790.70 and 4,680,217.80
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Solution
The fourth proportional to 5,277,414.60, 7,906,790.70 and 4,680,217.80 is: 7,012,051.43
Step by Step Solution
- Step 1: Write the proportion equation
5,277,414.60 : 7,906,790.70 = 4,680,217.80 : x - Step 2: Convert to fraction form
5,277,414.60/7,906,790.70 = 4,680,217.80/x - Step 3: Cross multiply
5,277,414.60x = 7,906,790.70 × 4,680,217.80 - Step 4: Simplify right side
5,277,414.60x = 37,005,502,575,014.46 - Step 5: Solve for x
x = 37,005,502,575,014.46/5,277,414.60 - Step 6: Final answer
x = 7,012,051.43
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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.