Finding the Fourth Proportional to 2,133,596.17, 2,944,211.52 and 1,215,796.11
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Solution
The fourth proportional to 2,133,596.17, 2,944,211.52 and 1,215,796.11 is: 1,677,712.48
Step by Step Solution
- Step 1: Write the proportion equation
2,133,596.17 : 2,944,211.52 = 1,215,796.11 : x - Step 2: Convert to fraction form
2,133,596.17/2,944,211.52 = 1,215,796.11/x - Step 3: Cross multiply
2,133,596.17x = 2,944,211.52 × 1,215,796.11 - Step 4: Simplify right side
2,133,596.17x = 3,579,560,913,033.19 - Step 5: Solve for x
x = 3,579,560,913,033.19/2,133,596.17 - Step 6: Final answer
x = 1,677,712.48
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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.