Finding the Fourth Proportional to 4,626,729.68, 6,384,886.20 and 2,589,539.12
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Solution
The fourth proportional to 4,626,729.68, 6,384,886.20 and 2,589,539.12 is: 3,573,563.56
Step by Step Solution
- Step 1: Write the proportion equation
4,626,729.68 : 6,384,886.20 = 2,589,539.12 : x - Step 2: Convert to fraction form
4,626,729.68/6,384,886.20 = 2,589,539.12/x - Step 3: Cross multiply
4,626,729.68x = 6,384,886.20 × 2,589,539.12 - Step 4: Simplify right side
4,626,729.68x = 16,533,912,591,648.14 - Step 5: Solve for x
x = 16,533,912,591,648.14/4,626,729.68 - Step 6: Final answer
x = 3,573,563.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.