Finding the Fourth Proportional to 2,133,954.81, 2,944,816.38 and 1,167,082.11
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Solution
The fourth proportional to 2,133,954.81, 2,944,816.38 and 1,167,082.11 is: 1,610,550.75
Step by Step Solution
- Step 1: Write the proportion equation
2,133,954.81 : 2,944,816.38 = 1,167,082.11 : x - Step 2: Convert to fraction form
2,133,954.81/2,944,816.38 = 1,167,082.11/x - Step 3: Cross multiply
2,133,954.81x = 2,944,816.38 × 1,167,082.11 - Step 4: Simplify right side
2,133,954.81x = 3,436,842,514,332.96 - Step 5: Solve for x
x = 3,436,842,514,332.96/2,133,954.81 - Step 6: Final answer
x = 1,610,550.75
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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.