Finding the Fourth Proportional to 2,102,742.47, 2,901,787.19 and 1,135,872.77
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Solution
The fourth proportional to 2,102,742.47, 2,901,787.19 and 1,135,872.77 is: 1,567,505.82
Step by Step Solution
- Step 1: Write the proportion equation
2,102,742.47 : 2,901,787.19 = 1,135,872.77 : x - Step 2: Convert to fraction form
2,102,742.47/2,901,787.19 = 1,135,872.77/x - Step 3: Cross multiply
2,102,742.47x = 2,901,787.19 × 1,135,872.77 - Step 4: Simplify right side
2,102,742.47x = 3,296,061,041,786.56 - Step 5: Solve for x
x = 3,296,061,041,786.56/2,102,742.47 - Step 6: Final answer
x = 1,567,505.82
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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.