Finding the Fourth Proportional to 2,132,770.68, 2,943,223.74 and 1,165,907.97
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Solution
The fourth proportional to 2,132,770.68, 2,943,223.74 and 1,165,907.97 is: 1,608,953.11
Step by Step Solution
- Step 1: Write the proportion equation
2,132,770.68 : 2,943,223.74 = 1,165,907.97 : x - Step 2: Convert to fraction form
2,132,770.68/2,943,223.74 = 1,165,907.97/x - Step 3: Cross multiply
2,132,770.68x = 2,943,223.74 × 1,165,907.97 - Step 4: Simplify right side
2,132,770.68x = 3,431,528,015,959.21 - Step 5: Solve for x
x = 3,431,528,015,959.21/2,132,770.68 - Step 6: Final answer
x = 1,608,953.11
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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.