Finding the Fourth Proportional to 3,951,425.41, 5,453,878.26 and 2,572,367.20
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Solution
The fourth proportional to 3,951,425.41, 5,453,878.26 and 2,572,367.20 is: 3,550,459.92
Step by Step Solution
- Step 1: Write the proportion equation
3,951,425.41 : 5,453,878.26 = 2,572,367.20 : x - Step 2: Convert to fraction form
3,951,425.41/5,453,878.26 = 2,572,367.20/x - Step 3: Cross multiply
3,951,425.41x = 5,453,878.26 × 2,572,367.20 - Step 4: Simplify right side
3,951,425.41x = 14,029,377,548,817.07 - Step 5: Solve for x
x = 14,029,377,548,817.07/3,951,425.41 - Step 6: Final answer
x = 3,550,459.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.