Finding the Fourth Proportional to 1,321,569.97, 1,982,356.69 and 362,034.10
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Solution
The fourth proportional to 1,321,569.97, 1,982,356.69 and 362,034.10 is: 543,051.63
Step by Step Solution
- Step 1: Write the proportion equation
1,321,569.97 : 1,982,356.69 = 362,034.10 : x - Step 2: Convert to fraction form
1,321,569.97/1,982,356.69 = 362,034.10/x - Step 3: Cross multiply
1,321,569.97x = 1,982,356.69 × 362,034.10 - Step 4: Simplify right side
1,321,569.97x = 717,680,720,143.13 - Step 5: Solve for x
x = 717,680,720,143.13/1,321,569.97 - Step 6: Final answer
x = 543,051.63
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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.