Finding the Fourth Proportional to 4,289,553.09, 6,436,986.84 and 2,493,282.51
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Solution
The fourth proportional to 4,289,553.09, 6,436,986.84 and 2,493,282.51 is: 3,741,468.25
Step by Step Solution
- Step 1: Write the proportion equation
4,289,553.09 : 6,436,986.84 = 2,493,282.51 : x - Step 2: Convert to fraction form
4,289,553.09/6,436,986.84 = 2,493,282.51/x - Step 3: Cross multiply
4,289,553.09x = 6,436,986.84 × 2,493,282.51 - Step 4: Simplify right side
4,289,553.09x = 16,049,226,705,272.17 - Step 5: Solve for x
x = 16,049,226,705,272.17/4,289,553.09 - Step 6: Final answer
x = 3,741,468.25
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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.