Finding the Fourth Proportional to 2,102,628.64, 2,901,628.68 and 1,135,758.93
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Solution
The fourth proportional to 2,102,628.64, 2,901,628.68 and 1,135,758.93 is: 1,567,347.96
Step by Step Solution
- Step 1: Write the proportion equation
2,102,628.64 : 2,901,628.68 = 1,135,758.93 : x - Step 2: Convert to fraction form
2,102,628.64/2,901,628.68 = 1,135,758.93/x - Step 3: Cross multiply
2,102,628.64x = 2,901,628.68 × 1,135,758.93 - Step 4: Simplify right side
2,102,628.64x = 3,295,550,695,618.54 - Step 5: Solve for x
x = 3,295,550,695,618.54/2,102,628.64 - Step 6: Final answer
x = 1,567,347.96
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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.