Finding the Fourth Proportional to 3,681,153.05, 5,524,251.98 and 1,284,998.09
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Solution
The fourth proportional to 3,681,153.05, 5,524,251.98 and 1,284,998.09 is: 1,928,377.64
Step by Step Solution
- Step 1: Write the proportion equation
3,681,153.05 : 5,524,251.98 = 1,284,998.09 : x - Step 2: Convert to fraction form
3,681,153.05/5,524,251.98 = 1,284,998.09/x - Step 3: Cross multiply
3,681,153.05x = 5,524,251.98 × 1,284,998.09 - Step 4: Simplify right side
3,681,153.05x = 7,098,653,208,932.47 - Step 5: Solve for x
x = 7,098,653,208,932.47/3,681,153.05 - Step 6: Final answer
x = 1,928,377.64
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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.