Finding the Fourth Proportional to 1,517,240.70, 2,275,861.05 and 808,652.70
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Solution
The fourth proportional to 1,517,240.70, 2,275,861.05 and 808,652.70 is: 1,212,979.05
Step by Step Solution
- Step 1: Write the proportion equation
1,517,240.70 : 2,275,861.05 = 808,652.70 : x - Step 2: Convert to fraction form
1,517,240.70/2,275,861.05 = 808,652.70/x - Step 3: Cross multiply
1,517,240.70x = 2,275,861.05 × 808,652.70 - Step 4: Simplify right side
1,517,240.70x = 1,840,381,182,907.33 - Step 5: Solve for x
x = 1,840,381,182,907.33/1,517,240.70 - Step 6: Final answer
x = 1,212,979.05
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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.