Finding the Fourth Proportional to 4,891,998.05, 7,336,784.57 and 1,653,463.81
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Solution
The fourth proportional to 4,891,998.05, 7,336,784.57 and 1,653,463.81 is: 2,479,785.89
Step by Step Solution
- Step 1: Write the proportion equation
4,891,998.05 : 7,336,784.57 = 1,653,463.81 : x - Step 2: Convert to fraction form
4,891,998.05/7,336,784.57 = 1,653,463.81/x - Step 3: Cross multiply
4,891,998.05x = 7,336,784.57 × 1,653,463.81 - Step 4: Simplify right side
4,891,998.05x = 12,131,107,741,652.13 - Step 5: Solve for x
x = 12,131,107,741,652.13/4,891,998.05 - Step 6: Final answer
x = 2,479,785.89
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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.