Finding the Fourth Proportional to 5,105,375.23, 7,045,417.97 and 2,813,535.92
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Solution
The fourth proportional to 5,105,375.23, 7,045,417.97 and 2,813,535.92 is: 3,882,679.65
Step by Step Solution
- Step 1: Write the proportion equation
5,105,375.23 : 7,045,417.97 = 2,813,535.92 : x - Step 2: Convert to fraction form
5,105,375.23/7,045,417.97 = 2,813,535.92/x - Step 3: Cross multiply
5,105,375.23x = 7,045,417.97 × 2,813,535.92 - Step 4: Simplify right side
5,105,375.23x = 19,822,536,530,008.48 - Step 5: Solve for x
x = 19,822,536,530,008.48/5,105,375.23 - Step 6: Final answer
x = 3,882,679.65
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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.