Finding the Fourth Proportional to 4,158,440.40, 6,237,660.60 and 2,555,806.80
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Solution
The fourth proportional to 4,158,440.40, 6,237,660.60 and 2,555,806.80 is: 3,833,710.20
Step by Step Solution
- Step 1: Write the proportion equation
4,158,440.40 : 6,237,660.60 = 2,555,806.80 : x - Step 2: Convert to fraction form
4,158,440.40/6,237,660.60 = 2,555,806.80/x - Step 3: Cross multiply
4,158,440.40x = 6,237,660.60 × 2,555,806.80 - Step 4: Simplify right side
4,158,440.40x = 15,942,255,377,572.08 - Step 5: Solve for x
x = 15,942,255,377,572.08/4,158,440.40 - Step 6: Final answer
x = 3,833,710.20
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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.