Finding the Fourth Proportional to 4,987,935.11, 7,481,902.66 and 1,201,417.98
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Solution
The fourth proportional to 4,987,935.11, 7,481,902.66 and 1,201,417.98 is: 1,802,126.97
Step by Step Solution
- Step 1: Write the proportion equation
4,987,935.11 : 7,481,902.66 = 1,201,417.98 : x - Step 2: Convert to fraction form
4,987,935.11/7,481,902.66 = 1,201,417.98/x - Step 3: Cross multiply
4,987,935.11x = 7,481,902.66 × 1,201,417.98 - Step 4: Simplify right side
4,987,935.11x = 8,988,892,380,333.83 - Step 5: Solve for x
x = 8,988,892,380,333.83/4,987,935.11 - Step 6: Final answer
x = 1,802,126.97
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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.