Finding the Fourth Proportional to 1,943,907.30, 2,913,496.97 and 1,375,452.23
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Solution
The fourth proportional to 1,943,907.30, 2,913,496.97 and 1,375,452.23 is: 2,061,505.65
Step by Step Solution
- Step 1: Write the proportion equation
1,943,907.30 : 2,913,496.97 = 1,375,452.23 : x - Step 2: Convert to fraction form
1,943,907.30/2,913,496.97 = 1,375,452.23/x - Step 3: Cross multiply
1,943,907.30x = 2,913,496.97 × 1,375,452.23 - Step 4: Simplify right side
1,943,907.30x = 4,007,375,883,040.00 - Step 5: Solve for x
x = 4,007,375,883,040.00/1,943,907.30 - Step 6: Final answer
x = 2,061,505.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.