Finding the Fourth Proportional to 2,471,407.20, 3,707,110.80 and 788,680.80
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Solution
The fourth proportional to 2,471,407.20, 3,707,110.80 and 788,680.80 is: 1,183,021.20
Step by Step Solution
- Step 1: Write the proportion equation
2,471,407.20 : 3,707,110.80 = 788,680.80 : x - Step 2: Convert to fraction form
2,471,407.20/3,707,110.80 = 788,680.80/x - Step 3: Cross multiply
2,471,407.20x = 3,707,110.80 × 788,680.80 - Step 4: Simplify right side
2,471,407.20x = 2,923,727,111,432.64 - Step 5: Solve for x
x = 2,923,727,111,432.64/2,471,407.20 - Step 6: Final answer
x = 1,183,021.20
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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.