Finding the Fourth Proportional to 5,252,118.87, 7,247,979.41 and 2,960,279.56
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Solution
The fourth proportional to 5,252,118.87, 7,247,979.41 and 2,960,279.56 is: 4,085,216.99
Step by Step Solution
- Step 1: Write the proportion equation
5,252,118.87 : 7,247,979.41 = 2,960,279.56 : x - Step 2: Convert to fraction form
5,252,118.87/7,247,979.41 = 2,960,279.56/x - Step 3: Cross multiply
5,252,118.87x = 7,247,979.41 × 2,960,279.56 - Step 4: Simplify right side
5,252,118.87x = 21,456,045,262,483.96 - Step 5: Solve for x
x = 21,456,045,262,483.96/5,252,118.87 - Step 6: Final answer
x = 4,085,216.99
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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.