Finding the Fourth Proportional to 2,731,872.58, 3,769,990.48 and 1,508,178.96
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Solution
The fourth proportional to 2,731,872.58, 3,769,990.48 and 1,508,178.96 is: 2,081,290.45
Step by Step Solution
- Step 1: Write the proportion equation
2,731,872.58 : 3,769,990.48 = 1,508,178.96 : x - Step 2: Convert to fraction form
2,731,872.58/3,769,990.48 = 1,508,178.96/x - Step 3: Cross multiply
2,731,872.58x = 3,769,990.48 × 1,508,178.96 - Step 4: Simplify right side
2,731,872.58x = 5,685,820,321,336.30 - Step 5: Solve for x
x = 5,685,820,321,336.30/2,731,872.58 - Step 6: Final answer
x = 2,081,290.45
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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.