Finding the Fourth Proportional to 3,992,073.96, 5,992,587.18 and 1,597,587.60
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Solution
The fourth proportional to 3,992,073.96, 5,992,587.18 and 1,597,587.60 is: 2,398,172.75
Step by Step Solution
- Step 1: Write the proportion equation
3,992,073.96 : 5,992,587.18 = 1,597,587.60 : x - Step 2: Convert to fraction form
3,992,073.96/5,992,587.18 = 1,597,587.60/x - Step 3: Cross multiply
3,992,073.96x = 5,992,587.18 × 1,597,587.60 - Step 4: Simplify right side
3,992,073.96x = 9,573,682,970,686.97 - Step 5: Solve for x
x = 9,573,682,970,686.97/3,992,073.96 - Step 6: Final answer
x = 2,398,172.75
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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.