Finding the Fourth Proportional to 2,102,088.49, 2,900,882.02 and 1,135,218.69
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Solution
The fourth proportional to 2,102,088.49, 2,900,882.02 and 1,135,218.69 is: 1,566,601.75
Step by Step Solution
- Step 1: Write the proportion equation
2,102,088.49 : 2,900,882.02 = 1,135,218.69 : x - Step 2: Convert to fraction form
2,102,088.49/2,900,882.02 = 1,135,218.69/x - Step 3: Cross multiply
2,102,088.49x = 2,900,882.02 × 1,135,218.69 - Step 4: Simplify right side
2,102,088.49x = 3,293,135,494,629.22 - Step 5: Solve for x
x = 3,293,135,494,629.22/2,102,088.49 - Step 6: Final answer
x = 1,566,601.75
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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.