Finding the Fourth Proportional to 3,255,342.60, 4,883,013.90 and 2,121,601.80
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Solution
The fourth proportional to 3,255,342.60, 4,883,013.90 and 2,121,601.80 is: 3,182,402.70
Step by Step Solution
- Step 1: Write the proportion equation
3,255,342.60 : 4,883,013.90 = 2,121,601.80 : x - Step 2: Convert to fraction form
3,255,342.60/4,883,013.90 = 2,121,601.80/x - Step 3: Cross multiply
3,255,342.60x = 4,883,013.90 × 2,121,601.80 - Step 4: Simplify right side
3,255,342.60x = 10,359,811,079,665.02 - Step 5: Solve for x
x = 10,359,811,079,665.02/3,255,342.60 - Step 6: Final answer
x = 3,182,402.70
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1.5x scale
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.