Finding the Fourth Proportional to 6,392,974.92, 9,589,545.48 and 2,133,143.17
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Solution
The fourth proportional to 6,392,974.92, 9,589,545.48 and 2,133,143.17 is: 3,199,742.48
Step by Step Solution
- Step 1: Write the proportion equation
6,392,974.92 : 9,589,545.48 = 2,133,143.17 : x - Step 2: Convert to fraction form
6,392,974.92/9,589,545.48 = 2,133,143.17/x - Step 3: Cross multiply
6,392,974.92x = 9,589,545.48 × 2,133,143.17 - Step 4: Simplify right side
6,392,974.92x = 20,455,873,428,091.80 - Step 5: Solve for x
x = 20,455,873,428,091.80/6,392,974.92 - Step 6: Final answer
x = 3,199,742.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.