Finding the Fourth Proportional to 1,517,565.80, 2,276,348.70 and 395,634.80
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Solution
The fourth proportional to 1,517,565.80, 2,276,348.70 and 395,634.80 is: 593,452.20
Step by Step Solution
- Step 1: Write the proportion equation
1,517,565.80 : 2,276,348.70 = 395,634.80 : x - Step 2: Convert to fraction form
1,517,565.80/2,276,348.70 = 395,634.80/x - Step 3: Cross multiply
1,517,565.80x = 2,276,348.70 × 395,634.80 - Step 4: Simplify right side
1,517,565.80x = 900,602,762,654.76 - Step 5: Solve for x
x = 900,602,762,654.76/1,517,565.80 - Step 6: Final answer
x = 593,452.20
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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.