Finding the Fourth Proportional to 3,719,763.14, 5,133,271.12 and 2,088,173.66
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Solution
The fourth proportional to 3,719,763.14, 5,133,271.12 and 2,088,173.66 is: 2,881,678.52
Step by Step Solution
- Step 1: Write the proportion equation
3,719,763.14 : 5,133,271.12 = 2,088,173.66 : x - Step 2: Convert to fraction form
3,719,763.14/5,133,271.12 = 2,088,173.66/x - Step 3: Cross multiply
3,719,763.14x = 5,133,271.12 × 2,088,173.66 - Step 4: Simplify right side
3,719,763.14x = 10,719,161,511,535.91 - Step 5: Solve for x
x = 10,719,161,511,535.91/3,719,763.14 - Step 6: Final answer
x = 2,881,678.52
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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.