Finding the Fourth Proportional to 1,472,174.64, 2,031,609.53 and 827,589.20
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Solution
The fourth proportional to 1,472,174.64, 2,031,609.53 and 827,589.20 is: 1,142,077.88
Step by Step Solution
- Step 1: Write the proportion equation
1,472,174.64 : 2,031,609.53 = 827,589.20 : x - Step 2: Convert to fraction form
1,472,174.64/2,031,609.53 = 827,589.20/x - Step 3: Cross multiply
1,472,174.64x = 2,031,609.53 × 827,589.20 - Step 4: Simplify right side
1,472,174.64x = 1,681,338,097,556.00 - Step 5: Solve for x
x = 1,681,338,097,556.00/1,472,174.64 - Step 6: Final answer
x = 1,142,077.88
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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.