Finding the Fourth Proportional to 4,994,179.68, 6,891,945.84 and 2,702,380.80
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Solution
The fourth proportional to 4,994,179.68, 6,891,945.84 and 2,702,380.80 is: 3,729,273.54
Step by Step Solution
- Step 1: Write the proportion equation
4,994,179.68 : 6,891,945.84 = 2,702,380.80 : x - Step 2: Convert to fraction form
4,994,179.68/6,891,945.84 = 2,702,380.80/x - Step 3: Cross multiply
4,994,179.68x = 6,891,945.84 × 2,702,380.80 - Step 4: Simplify right side
4,994,179.68x = 18,624,662,112,655.87 - Step 5: Solve for x
x = 18,624,662,112,655.87/4,994,179.68 - Step 6: Final answer
x = 3,729,273.54
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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.