Finding the Fourth Proportional to 3,206,611.36, 4,425,209.76 and 1,811,061.08
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Solution
The fourth proportional to 3,206,611.36, 4,425,209.76 and 1,811,061.08 is: 2,499,312.91
Step by Step Solution
- Step 1: Write the proportion equation
3,206,611.36 : 4,425,209.76 = 1,811,061.08 : x - Step 2: Convert to fraction form
3,206,611.36/4,425,209.76 = 1,811,061.08/x - Step 3: Cross multiply
3,206,611.36x = 4,425,209.76 × 1,811,061.08 - Step 4: Simplify right side
3,206,611.36x = 8,014,325,167,172.14 - Step 5: Solve for x
x = 8,014,325,167,172.14/3,206,611.36 - Step 6: Final answer
x = 2,499,312.91
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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.