Finding the Fourth Proportional to 1,008,101.60, 1,512,843.60 and 447,538.40
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Solution
The fourth proportional to 1,008,101.60, 1,512,843.60 and 447,538.40 is: 671,614.45
Step by Step Solution
- Step 1: Write the proportion equation
1,008,101.60 : 1,512,843.60 = 447,538.40 : x - Step 2: Convert to fraction form
1,008,101.60/1,512,843.60 = 447,538.40/x - Step 3: Cross multiply
1,008,101.60x = 1,512,843.60 × 447,538.40 - Step 4: Simplify right side
1,008,101.60x = 677,055,604,194.24 - Step 5: Solve for x
x = 677,055,604,194.24/1,008,101.60 - Step 6: Final answer
x = 671,614.45
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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.