Finding the Fourth Proportional to 5,157,190.84, 7,739,142.92 and 1,962,343.48
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Solution
The fourth proportional to 5,157,190.84, 7,739,142.92 and 1,962,343.48 is: 2,944,792.45
Step by Step Solution
- Step 1: Write the proportion equation
5,157,190.84 : 7,739,142.92 = 1,962,343.48 : x - Step 2: Convert to fraction form
5,157,190.84/7,739,142.92 = 1,962,343.48/x - Step 3: Cross multiply
5,157,190.84x = 7,739,142.92 × 1,962,343.48 - Step 4: Simplify right side
5,157,190.84x = 15,186,856,649,850.16 - Step 5: Solve for x
x = 15,186,856,649,850.16/5,157,190.84 - Step 6: Final answer
x = 2,944,792.45
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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.