Finding the Fourth Proportional to 2,573,861.97, 3,551,976.45 and 1,412,368.14
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Solution
The fourth proportional to 2,573,861.97, 3,551,976.45 and 1,412,368.14 is: 1,949,093.79
Step by Step Solution
- Step 1: Write the proportion equation
2,573,861.97 : 3,551,976.45 = 1,412,368.14 : x - Step 2: Convert to fraction form
2,573,861.97/3,551,976.45 = 1,412,368.14/x - Step 3: Cross multiply
2,573,861.97x = 3,551,976.45 × 1,412,368.14 - Step 4: Simplify right side
2,573,861.97x = 5,016,698,372,010.30 - Step 5: Solve for x
x = 5,016,698,372,010.30/2,573,861.97 - Step 6: Final answer
x = 1,949,093.79
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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.