Finding the Fourth Proportional to 2,320,646.09, 3,481,681.81 and 1,107,770.40
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Solution
The fourth proportional to 2,320,646.09, 3,481,681.81 and 1,107,770.40 is: 1,661,995.80
Step by Step Solution
- Step 1: Write the proportion equation
2,320,646.09 : 3,481,681.81 = 1,107,770.40 : x - Step 2: Convert to fraction form
2,320,646.09/3,481,681.81 = 1,107,770.40/x - Step 3: Cross multiply
2,320,646.09x = 3,481,681.81 × 1,107,770.40 - Step 4: Simplify right side
2,320,646.09x = 3,856,904,051,336.42 - Step 5: Solve for x
x = 3,856,904,051,336.42/2,320,646.09 - Step 6: Final answer
x = 1,661,995.80
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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.