Finding the Fourth Proportional to 2,102,787, 2,901,843.60 and 1,135,917.12
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Solution
The fourth proportional to 2,102,787, 2,901,843.60 and 1,135,917.12 is: 1,567,564.30
Step by Step Solution
- Step 1: Write the proportion equation
2,102,787 : 2,901,843.60 = 1,135,917.12 : x - Step 2: Convert to fraction form
2,102,787/2,901,843.60 = 1,135,917.12/x - Step 3: Cross multiply
2,102,787x = 2,901,843.60 × 1,135,917.12 - Step 4: Simplify right side
2,102,787x = 3,296,253,824,802.43 - Step 5: Solve for x
x = 3,296,253,824,802.43/2,102,787 - Step 6: Final answer
x = 1,567,564.30
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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.