Finding the Fourth Proportional to 3,727,809.96, 5,592,888.62 and 1,331,601.52
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Solution
The fourth proportional to 3,727,809.96, 5,592,888.62 and 1,331,601.52 is: 1,997,821.53
Step by Step Solution
- Step 1: Write the proportion equation
3,727,809.96 : 5,592,888.62 = 1,331,601.52 : x - Step 2: Convert to fraction form
3,727,809.96/5,592,888.62 = 1,331,601.52/x - Step 3: Cross multiply
3,727,809.96x = 5,592,888.62 × 1,331,601.52 - Step 4: Simplify right side
3,727,809.96x = 7,447,498,987,582.70 - Step 5: Solve for x
x = 7,447,498,987,582.70/3,727,809.96 - Step 6: Final answer
x = 1,997,821.53
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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.