Finding the Fourth Proportional to 4,753,445.84, 6,560,593.89 and 2,820,772.07
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Solution
The fourth proportional to 4,753,445.84, 6,560,593.89 and 2,820,772.07 is: 3,893,163.11
Step by Step Solution
- Step 1: Write the proportion equation
4,753,445.84 : 6,560,593.89 = 2,820,772.07 : x - Step 2: Convert to fraction form
4,753,445.84/6,560,593.89 = 2,820,772.07/x - Step 3: Cross multiply
4,753,445.84x = 6,560,593.89 × 2,820,772.07 - Step 4: Simplify right side
4,753,445.84x = 18,505,940,007,524.65 - Step 5: Solve for x
x = 18,505,940,007,524.65/4,753,445.84 - Step 6: Final answer
x = 3,893,163.11
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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.