Finding the Fourth Proportional to 1,485,201.42, 2,049,577.02 and 806,137.92
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Solution
The fourth proportional to 1,485,201.42, 2,049,577.02 and 806,137.92 is: 1,112,469.82
Step by Step Solution
- Step 1: Write the proportion equation
1,485,201.42 : 2,049,577.02 = 806,137.92 : x - Step 2: Convert to fraction form
1,485,201.42/2,049,577.02 = 806,137.92/x - Step 3: Cross multiply
1,485,201.42x = 2,049,577.02 × 806,137.92 - Step 4: Simplify right side
1,485,201.42x = 1,652,241,755,782.60 - Step 5: Solve for x
x = 1,652,241,755,782.60/1,485,201.42 - Step 6: Final answer
x = 1,112,469.82
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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.