Finding the Fourth Proportional to 2,827,671.12, 4,245,492.49 and 2,028,517.02
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Solution
The fourth proportional to 2,827,671.12, 4,245,492.49 and 2,028,517.02 is: 3,045,634.87
Step by Step Solution
- Step 1: Write the proportion equation
2,827,671.12 : 4,245,492.49 = 2,028,517.02 : x - Step 2: Convert to fraction form
2,827,671.12/4,245,492.49 = 2,028,517.02/x - Step 3: Cross multiply
2,827,671.12x = 4,245,492.49 × 2,028,517.02 - Step 4: Simplify right side
2,827,671.12x = 8,612,053,769,175.89 - Step 5: Solve for x
x = 8,612,053,769,175.89/2,827,671.12 - Step 6: Final answer
x = 3,045,634.87
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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.