Finding the Fourth Proportional to 2,556,995.26, 3,528,738.21 and 1,395,505.12
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Solution
The fourth proportional to 2,556,995.26, 3,528,738.21 and 1,395,505.12 is: 1,925,843.32
Step by Step Solution
- Step 1: Write the proportion equation
2,556,995.26 : 3,528,738.21 = 1,395,505.12 : x - Step 2: Convert to fraction form
2,556,995.26/3,528,738.21 = 1,395,505.12/x - Step 3: Cross multiply
2,556,995.26x = 3,528,738.21 × 1,395,505.12 - Step 4: Simplify right side
2,556,995.26x = 4,924,372,239,194.64 - Step 5: Solve for x
x = 4,924,372,239,194.64/2,556,995.26 - Step 6: Final answer
x = 1,925,843.32
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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.