Finding the Fourth Proportional to 2,102,561.58, 2,901,536.14 and 1,135,691.86
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Solution
The fourth proportional to 2,102,561.58, 2,901,536.14 and 1,135,691.86 is: 1,567,255.39
Step by Step Solution
- Step 1: Write the proportion equation
2,102,561.58 : 2,901,536.14 = 1,135,691.86 : x - Step 2: Convert to fraction form
2,102,561.58/2,901,536.14 = 1,135,691.86/x - Step 3: Cross multiply
2,102,561.58x = 2,901,536.14 × 1,135,691.86 - Step 4: Simplify right side
2,102,561.58x = 3,295,250,970,015.36 - Step 5: Solve for x
x = 3,295,250,970,015.36/2,102,561.58 - Step 6: Final answer
x = 1,567,255.39
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1.5x scale
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.