Finding the Fourth Proportional to 2,364,742.50, 3,263,876.21 and 1,548,472.09
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Solution
The fourth proportional to 2,364,742.50, 3,263,876.21 and 1,548,472.09 is: 2,137,239.56
Step by Step Solution
- Step 1: Write the proportion equation
2,364,742.50 : 3,263,876.21 = 1,548,472.09 : x - Step 2: Convert to fraction form
2,364,742.50/3,263,876.21 = 1,548,472.09/x - Step 3: Cross multiply
2,364,742.50x = 3,263,876.21 × 1,548,472.09 - Step 4: Simplify right side
2,364,742.50x = 5,054,021,212,111.47 - Step 5: Solve for x
x = 5,054,021,212,111.47/2,364,742.50 - Step 6: Final answer
x = 2,137,239.56
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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.