Finding the Fourth Proportional to 4,606,363.80, 6,909,545.70 and 3,543,481.80
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Solution
The fourth proportional to 4,606,363.80, 6,909,545.70 and 3,543,481.80 is: 5,315,222.70
Step by Step Solution
- Step 1: Write the proportion equation
4,606,363.80 : 6,909,545.70 = 3,543,481.80 : x - Step 2: Convert to fraction form
4,606,363.80/6,909,545.70 = 3,543,481.80/x - Step 3: Cross multiply
4,606,363.80x = 6,909,545.70 × 3,543,481.80 - Step 4: Simplify right side
4,606,363.80x = 24,483,849,434,218.26 - Step 5: Solve for x
x = 24,483,849,434,218.26/4,606,363.80 - Step 6: Final answer
x = 5,315,222.70
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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.