Finding the Fourth Proportional to 5,101,895.98, 7,040,350.66 and 3,168,115.07
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Solution
The fourth proportional to 5,101,895.98, 7,040,350.66 and 3,168,115.07 is: 4,371,833.75
Step by Step Solution
- Step 1: Write the proportion equation
5,101,895.98 : 7,040,350.66 = 3,168,115.07 : x - Step 2: Convert to fraction form
5,101,895.98/7,040,350.66 = 3,168,115.07/x - Step 3: Cross multiply
5,101,895.98x = 7,040,350.66 × 3,168,115.07 - Step 4: Simplify right side
5,101,895.98x = 22,304,641,008,189.87 - Step 5: Solve for x
x = 22,304,641,008,189.87/5,101,895.98 - Step 6: Final answer
x = 4,371,833.75
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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.