Finding the Fourth Proportional to 5,554,415.80, 8,331,545.94 and 2,188,651.96
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Solution
The fourth proportional to 5,554,415.80, 8,331,545.94 and 2,188,651.96 is: 3,282,947.30
Step by Step Solution
- Step 1: Write the proportion equation
5,554,415.80 : 8,331,545.94 = 2,188,651.96 : x - Step 2: Convert to fraction form
5,554,415.80/8,331,545.94 = 2,188,651.96/x - Step 3: Cross multiply
5,554,415.80x = 8,331,545.94 × 2,188,651.96 - Step 4: Simplify right side
5,554,415.80x = 18,234,854,351,411.04 - Step 5: Solve for x
x = 18,234,854,351,411.04/5,554,415.80 - Step 6: Final answer
x = 3,282,947.30
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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.