Finding the Fourth Proportional to 4,339,126.80, 5,988,657.78 and 2,769,936.48
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Solution
The fourth proportional to 4,339,126.80, 5,988,657.78 and 2,769,936.48 is: 3,822,935.45
Step by Step Solution
- Step 1: Write the proportion equation
4,339,126.80 : 5,988,657.78 = 2,769,936.48 : x - Step 2: Convert to fraction form
4,339,126.80/5,988,657.78 = 2,769,936.48/x - Step 3: Cross multiply
4,339,126.80x = 5,988,657.78 × 2,769,936.48 - Step 4: Simplify right side
4,339,126.80x = 16,588,201,651,057.81 - Step 5: Solve for x
x = 16,588,201,651,057.81/4,339,126.80 - Step 6: Final answer
x = 3,822,935.45
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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.