Finding the Fourth Proportional to 3,811,998.68, 5,718,000.08 and 2,393,051.21
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Solution
The fourth proportional to 3,811,998.68, 5,718,000.08 and 2,393,051.21 is: 3,589,578.11
Step by Step Solution
- Step 1: Write the proportion equation
3,811,998.68 : 5,718,000.08 = 2,393,051.21 : x - Step 2: Convert to fraction form
3,811,998.68/5,718,000.08 = 2,393,051.21/x - Step 3: Cross multiply
3,811,998.68x = 5,718,000.08 × 2,393,051.21 - Step 4: Simplify right side
3,811,998.68x = 13,683,467,010,224.10 - Step 5: Solve for x
x = 13,683,467,010,224.10/3,811,998.68 - Step 6: Final answer
x = 3,589,578.11
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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.