Finding the Fourth Proportional to 6,816,163.05, 10,219,159.80 and 4,119,920.10
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Solution
The fourth proportional to 6,816,163.05, 10,219,159.80 and 4,119,920.10 is: 6,176,806.74
Step by Step Solution
- Step 1: Write the proportion equation
6,816,163.05 : 10,219,159.80 = 4,119,920.10 : x - Step 2: Convert to fraction form
6,816,163.05/10,219,159.80 = 4,119,920.10/x - Step 3: Cross multiply
6,816,163.05x = 10,219,159.80 × 4,119,920.10 - Step 4: Simplify right side
6,816,163.05x = 42,102,121,865,131.98 - Step 5: Solve for x
x = 42,102,121,865,131.98/6,816,163.05 - Step 6: Final answer
x = 6,176,806.74
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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.