Finding the Fourth Proportional to 3,190,611.09, 4,403,043.29 and 1,740,306.53
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Solution
The fourth proportional to 3,190,611.09, 4,403,043.29 and 1,740,306.53 is: 2,401,623.01
Step by Step Solution
- Step 1: Write the proportion equation
3,190,611.09 : 4,403,043.29 = 1,740,306.53 : x - Step 2: Convert to fraction form
3,190,611.09/4,403,043.29 = 1,740,306.53/x - Step 3: Cross multiply
3,190,611.09x = 4,403,043.29 × 1,740,306.53 - Step 4: Simplify right side
3,190,611.09x = 7,662,645,004,818.06 - Step 5: Solve for x
x = 7,662,645,004,818.06/3,190,611.09 - Step 6: Final answer
x = 2,401,623.01
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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.