Finding the Fourth Proportional to 5,330,792.40, 7,996,212.02 and 1,687,540.18
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Solution
The fourth proportional to 5,330,792.40, 7,996,212.02 and 1,687,540.18 is: 2,531,317.68
Step by Step Solution
- Step 1: Write the proportion equation
5,330,792.40 : 7,996,212.02 = 1,687,540.18 : x - Step 2: Convert to fraction form
5,330,792.40/7,996,212.02 = 1,687,540.18/x - Step 3: Cross multiply
5,330,792.40x = 7,996,212.02 × 1,687,540.18 - Step 4: Simplify right side
5,330,792.40x = 13,493,929,055,777.28 - Step 5: Solve for x
x = 13,493,929,055,777.28/5,330,792.40 - Step 6: Final answer
x = 2,531,317.68
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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.