Finding the Fourth Proportional to 1,577,042.78, 2,365,563.92 and 378,965.09
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Solution
The fourth proportional to 1,577,042.78, 2,365,563.92 and 378,965.09 is: 568,447.58
Step by Step Solution
- Step 1: Write the proportion equation
1,577,042.78 : 2,365,563.92 = 378,965.09 : x - Step 2: Convert to fraction form
1,577,042.78/2,365,563.92 = 378,965.09/x - Step 3: Cross multiply
1,577,042.78x = 2,365,563.92 × 378,965.09 - Step 4: Simplify right side
1,577,042.78x = 896,466,147,862.64 - Step 5: Solve for x
x = 896,466,147,862.64/1,577,042.78 - Step 6: Final answer
x = 568,447.58
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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.