Finding the Fourth Proportional to 2,251,187.01, 3,106,634.49 and 1,218,694.50
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Solution
The fourth proportional to 2,251,187.01, 3,106,634.49 and 1,218,694.50 is: 1,681,796.47
Step by Step Solution
- Step 1: Write the proportion equation
2,251,187.01 : 3,106,634.49 = 1,218,694.50 : x - Step 2: Convert to fraction form
2,251,187.01/3,106,634.49 = 1,218,694.50/x - Step 3: Cross multiply
2,251,187.01x = 3,106,634.49 × 1,218,694.50 - Step 4: Simplify right side
2,251,187.01x = 3,786,038,366,473.31 - Step 5: Solve for x
x = 3,786,038,366,473.31/2,251,187.01 - Step 6: Final answer
x = 1,681,796.47
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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.