Finding the Fourth Proportional to 4,990,960.18, 6,887,545.80 and 2,699,120.87
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Solution
The fourth proportional to 4,990,960.18, 6,887,545.80 and 2,699,120.87 is: 3,724,798.02
Step by Step Solution
- Step 1: Write the proportion equation
4,990,960.18 : 6,887,545.80 = 2,699,120.87 : x - Step 2: Convert to fraction form
4,990,960.18/6,887,545.80 = 2,699,120.87/x - Step 3: Cross multiply
4,990,960.18x = 6,887,545.80 × 2,699,120.87 - Step 4: Simplify right side
4,990,960.18x = 18,590,318,611,860.85 - Step 5: Solve for x
x = 18,590,318,611,860.85/4,990,960.18 - Step 6: Final answer
x = 3,724,798.02
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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.