Finding the Fourth Proportional to 1,517,562.80, 2,276,344.20 and 395,631.80
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Solution
The fourth proportional to 1,517,562.80, 2,276,344.20 and 395,631.80 is: 593,447.70
Step by Step Solution
- Step 1: Write the proportion equation
1,517,562.80 : 2,276,344.20 = 395,631.80 : x - Step 2: Convert to fraction form
1,517,562.80/2,276,344.20 = 395,631.80/x - Step 3: Cross multiply
1,517,562.80x = 2,276,344.20 × 395,631.80 - Step 4: Simplify right side
1,517,562.80x = 900,594,153,265.56 - Step 5: Solve for x
x = 900,594,153,265.56/1,517,562.80 - Step 6: Final answer
x = 593,447.70
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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.