Finding the Fourth Proportional to 5,542,684.05, 7,649,136.40 and 3,187,882.49
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Solution
The fourth proportional to 5,542,684.05, 7,649,136.40 and 3,187,882.49 is: 4,399,411.50
Step by Step Solution
- Step 1: Write the proportion equation
5,542,684.05 : 7,649,136.40 = 3,187,882.49 : x - Step 2: Convert to fraction form
5,542,684.05/7,649,136.40 = 3,187,882.49/x - Step 3: Cross multiply
5,542,684.05x = 7,649,136.40 × 3,187,882.49 - Step 4: Simplify right side
5,542,684.05x = 24,384,547,954,935.95 - Step 5: Solve for x
x = 24,384,547,954,935.95/5,542,684.05 - Step 6: Final answer
x = 4,399,411.50
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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.