Finding the Fourth Proportional to 3,056,612.28, 4,218,662.70 and 1,767,247.80
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Solution
The fourth proportional to 3,056,612.28, 4,218,662.70 and 1,767,247.80 is: 2,439,112.88
Step by Step Solution
- Step 1: Write the proportion equation
3,056,612.28 : 4,218,662.70 = 1,767,247.80 : x - Step 2: Convert to fraction form
3,056,612.28/4,218,662.70 = 1,767,247.80/x - Step 3: Cross multiply
3,056,612.28x = 4,218,662.70 × 1,767,247.80 - Step 4: Simplify right side
3,056,612.28x = 7,455,422,375,517.06 - Step 5: Solve for x
x = 7,455,422,375,517.06/3,056,612.28 - Step 6: Final answer
x = 2,439,112.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.