Finding the Fourth Proportional to 5,117,761.97, 7,679,299.76 and 2,087,351.09
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Solution
The fourth proportional to 5,117,761.97, 7,679,299.76 and 2,087,351.09 is: 3,132,110.25
Step by Step Solution
- Step 1: Write the proportion equation
5,117,761.97 : 7,679,299.76 = 2,087,351.09 : x - Step 2: Convert to fraction form
5,117,761.97/7,679,299.76 = 2,087,351.09/x - Step 3: Cross multiply
5,117,761.97x = 7,679,299.76 × 2,087,351.09 - Step 4: Simplify right side
5,117,761.97x = 16,029,394,724,472.74 - Step 5: Solve for x
x = 16,029,394,724,472.74/5,117,761.97 - Step 6: Final answer
x = 3,132,110.25
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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.