Finding the Fourth Proportional to 1,497,975.63, 2,067,213.65 and 818,912.13
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Solution
The fourth proportional to 1,497,975.63, 2,067,213.65 and 818,912.13 is: 1,130,102.72
Step by Step Solution
- Step 1: Write the proportion equation
1,497,975.63 : 2,067,213.65 = 818,912.13 : x - Step 2: Convert to fraction form
1,497,975.63/2,067,213.65 = 818,912.13/x - Step 3: Cross multiply
1,497,975.63x = 2,067,213.65 × 818,912.13 - Step 4: Simplify right side
1,497,975.63x = 1,692,866,333,286.57 - Step 5: Solve for x
x = 1,692,866,333,286.57/1,497,975.63 - Step 6: Final answer
x = 1,130,102.72
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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.