Finding the Fourth Proportional to 1,382,114.40, 2,073,276.56 and 471,013.70
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Solution
The fourth proportional to 1,382,114.40, 2,073,276.56 and 471,013.70 is: 706,556.32
Step by Step Solution
- Step 1: Write the proportion equation
1,382,114.40 : 2,073,276.56 = 471,013.70 : x - Step 2: Convert to fraction form
1,382,114.40/2,073,276.56 = 471,013.70/x - Step 3: Cross multiply
1,382,114.40x = 2,073,276.56 × 471,013.70 - Step 4: Simplify right side
1,382,114.40x = 976,541,663,648.87 - Step 5: Solve for x
x = 976,541,663,648.87/1,382,114.40 - Step 6: Final answer
x = 706,556.32
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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.