Finding the Fourth Proportional to 2,728,382.79, 4,091,875.86 and 808,845.12
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Solution
The fourth proportional to 2,728,382.79, 4,091,875.86 and 808,845.12 is: 1,213,060.66
Step by Step Solution
- Step 1: Write the proportion equation
2,728,382.79 : 4,091,875.86 = 808,845.12 : x - Step 2: Convert to fraction form
2,728,382.79/4,091,875.86 = 808,845.12/x - Step 3: Cross multiply
2,728,382.79x = 4,091,875.86 × 808,845.12 - Step 4: Simplify right side
2,728,382.79x = 3,309,693,829,214.38 - Step 5: Solve for x
x = 3,309,693,829,214.38/2,728,382.79 - Step 6: Final answer
x = 1,213,060.66
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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.