Finding the Fourth Proportional to 3,670,363.80, 5,505,545.70 and 3,085,778.70
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Solution
The fourth proportional to 3,670,363.80, 5,505,545.70 and 3,085,778.70 is: 4,628,668.05
Step by Step Solution
- Step 1: Write the proportion equation
3,670,363.80 : 5,505,545.70 = 3,085,778.70 : x - Step 2: Convert to fraction form
3,670,363.80/5,505,545.70 = 3,085,778.70/x - Step 3: Cross multiply
3,670,363.80x = 5,505,545.70 × 3,085,778.70 - Step 4: Simplify right side
3,670,363.80x = 16,988,895,652,936.59 - Step 5: Solve for x
x = 16,988,895,652,936.59/3,670,363.80 - Step 6: Final answer
x = 4,628,668.05
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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.