Finding the Fourth Proportional to 3,569,344.80, 5,338,465.20 and 3,192,986.40
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Solution
The fourth proportional to 3,569,344.80, 5,338,465.20 and 3,192,986.40 is: 4,775,567.43
Step by Step Solution
- Step 1: Write the proportion equation
3,569,344.80 : 5,338,465.20 = 3,192,986.40 : x - Step 2: Convert to fraction form
3,569,344.80/5,338,465.20 = 3,192,986.40/x - Step 3: Cross multiply
3,569,344.80x = 5,338,465.20 × 3,192,986.40 - Step 4: Simplify right side
3,569,344.80x = 17,045,646,780,473.28 - Step 5: Solve for x
x = 17,045,646,780,473.28/3,569,344.80 - Step 6: Final answer
x = 4,775,567.43
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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.