Finding the Fourth Proportional to 3,625,578.20, 5,003,330.81 and 1,971,740.45
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Solution
The fourth proportional to 3,625,578.20, 5,003,330.81 and 1,971,740.45 is: 2,721,019.70
Step by Step Solution
- Step 1: Write the proportion equation
3,625,578.20 : 5,003,330.81 = 1,971,740.45 : x - Step 2: Convert to fraction form
3,625,578.20/5,003,330.81 = 1,971,740.45/x - Step 3: Cross multiply
3,625,578.20x = 5,003,330.81 × 1,971,740.45 - Step 4: Simplify right side
3,625,578.20x = 9,865,269,707,932.91 - Step 5: Solve for x
x = 9,865,269,707,932.91/3,625,578.20 - Step 6: Final answer
x = 2,721,019.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.