Finding the Fourth Proportional to 3,628,171.29, 5,006,750.84 and 1,996,426.09
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Solution
The fourth proportional to 3,628,171.29, 5,006,750.84 and 1,996,426.09 is: 2,754,998.92
Step by Step Solution
- Step 1: Write the proportion equation
3,628,171.29 : 5,006,750.84 = 1,996,426.09 : x - Step 2: Convert to fraction form
3,628,171.29/5,006,750.84 = 1,996,426.09/x - Step 3: Cross multiply
3,628,171.29x = 5,006,750.84 × 1,996,426.09 - Step 4: Simplify right side
3,628,171.29x = 9,995,607,978,705.35 - Step 5: Solve for x
x = 9,995,607,978,705.35/3,628,171.29 - Step 6: Final answer
x = 2,754,998.92
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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.