Finding the Fourth Proportional to 4,759,517.83, 7,142,113.49 and 1,727,120.26
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Solution
The fourth proportional to 4,759,517.83, 7,142,113.49 and 1,727,120.26 is: 2,591,709.78
Step by Step Solution
- Step 1: Write the proportion equation
4,759,517.83 : 7,142,113.49 = 1,727,120.26 : x - Step 2: Convert to fraction form
4,759,517.83/7,142,113.49 = 1,727,120.26/x - Step 3: Cross multiply
4,759,517.83x = 7,142,113.49 × 1,727,120.26 - Step 4: Simplify right side
4,759,517.83x = 12,335,288,907,798.31 - Step 5: Solve for x
x = 12,335,288,907,798.31/4,759,517.83 - Step 6: Final answer
x = 2,591,709.78
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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.