Finding the Fourth Proportional to 2,133,021.69, 2,943,450.77 and 1,165,959.45
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Solution
The fourth proportional to 2,133,021.69, 2,943,450.77 and 1,165,959.45 is: 1,608,958.90
Step by Step Solution
- Step 1: Write the proportion equation
2,133,021.69 : 2,943,450.77 = 1,165,959.45 : x - Step 2: Convert to fraction form
2,133,021.69/2,943,450.77 = 1,165,959.45/x - Step 3: Cross multiply
2,133,021.69x = 2,943,450.77 × 1,165,959.45 - Step 4: Simplify right side
2,133,021.69x = 3,431,944,235,061.48 - Step 5: Solve for x
x = 3,431,944,235,061.48/2,133,021.69 - Step 6: Final answer
x = 1,608,958.90
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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.