Finding the Fourth Proportional to 4,128,824.36, 5,695,479.63 and 3,836,556.43
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Solution
The fourth proportional to 4,128,824.36, 5,695,479.63 and 3,836,556.43 is: 5,292,312.55
Step by Step Solution
- Step 1: Write the proportion equation
4,128,824.36 : 5,695,479.63 = 3,836,556.43 : x - Step 2: Convert to fraction form
4,128,824.36/5,695,479.63 = 3,836,556.43/x - Step 3: Cross multiply
4,128,824.36x = 5,695,479.63 × 3,836,556.43 - Step 4: Simplify right side
4,128,824.36x = 21,851,028,982,171.82 - Step 5: Solve for x
x = 21,851,028,982,171.82/4,128,824.36 - Step 6: Final answer
x = 5,292,312.55
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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.