Finding the Fourth Proportional to 5,494,901.68, 8,235,981.96 and 2,081,018.80
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Solution
The fourth proportional to 5,494,901.68, 8,235,981.96 and 2,081,018.80 is: 3,119,115.55
Step by Step Solution
- Step 1: Write the proportion equation
5,494,901.68 : 8,235,981.96 = 2,081,018.80 : x - Step 2: Convert to fraction form
5,494,901.68/8,235,981.96 = 2,081,018.80/x - Step 3: Cross multiply
5,494,901.68x = 8,235,981.96 × 2,081,018.80 - Step 4: Simplify right side
5,494,901.68x = 17,139,233,295,220.85 - Step 5: Solve for x
x = 17,139,233,295,220.85/5,494,901.68 - Step 6: Final answer
x = 3,119,115.55
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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.