Finding the Fourth Proportional to 2,812,276.26, 4,218,420.06 and 1,016,427.96
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Solution
The fourth proportional to 2,812,276.26, 4,218,420.06 and 1,016,427.96 is: 1,524,643.99
Step by Step Solution
- Step 1: Write the proportion equation
2,812,276.26 : 4,218,420.06 = 1,016,427.96 : x - Step 2: Convert to fraction form
2,812,276.26/4,218,420.06 = 1,016,427.96/x - Step 3: Cross multiply
2,812,276.26x = 4,218,420.06 × 1,016,427.96 - Step 4: Simplify right side
2,812,276.26x = 4,287,720,096,008.88 - Step 5: Solve for x
x = 4,287,720,096,008.88/2,812,276.26 - Step 6: Final answer
x = 1,524,643.99
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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.