Finding the Fourth Proportional to 3,209,305.20, 4,812,791.40 and 1,079,458.80
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Solution
The fourth proportional to 3,209,305.20, 4,812,791.40 and 1,079,458.80 is: 1,618,795.88
Step by Step Solution
- Step 1: Write the proportion equation
3,209,305.20 : 4,812,791.40 = 1,079,458.80 : x - Step 2: Convert to fraction form
3,209,305.20/4,812,791.40 = 1,079,458.80/x - Step 3: Cross multiply
3,209,305.20x = 4,812,791.40 × 1,079,458.80 - Step 4: Simplify right side
3,209,305.20x = 5,195,210,029,294.32 - Step 5: Solve for x
x = 5,195,210,029,294.32/3,209,305.20 - Step 6: Final answer
x = 1,618,795.88
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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.