Finding the Fourth Proportional to 7,207,529.80, 10,811,294.70 and 2,413,625.80
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Solution
The fourth proportional to 7,207,529.80, 10,811,294.70 and 2,413,625.80 is: 3,620,438.70
Step by Step Solution
- Step 1: Write the proportion equation
7,207,529.80 : 10,811,294.70 = 2,413,625.80 : x - Step 2: Convert to fraction form
7,207,529.80/10,811,294.70 = 2,413,625.80/x - Step 3: Cross multiply
7,207,529.80x = 10,811,294.70 × 2,413,625.80 - Step 4: Simplify right side
7,207,529.80x = 26,094,419,819,323.26 - Step 5: Solve for x
x = 26,094,419,819,323.26/7,207,529.80 - Step 6: Final answer
x = 3,620,438.70
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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.