Finding the Fourth Proportional to 1,515,202.60, 2,275,428.30 and 806,614.60
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Solution
The fourth proportional to 1,515,202.60, 2,275,428.30 and 806,614.60 is: 1,211,318.99
Step by Step Solution
- Step 1: Write the proportion equation
1,515,202.60 : 2,275,428.30 = 806,614.60 : x - Step 2: Convert to fraction form
1,515,202.60/2,275,428.30 = 806,614.60/x - Step 3: Cross multiply
1,515,202.60x = 2,275,428.30 × 806,614.60 - Step 4: Simplify right side
1,515,202.60x = 1,835,393,688,033.18 - Step 5: Solve for x
x = 1,835,393,688,033.18/1,515,202.60 - Step 6: Final answer
x = 1,211,318.99
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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.