Finding the Fourth Proportional to 4,911,277.75, 6,728,481.13 and 4,727,190.21
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Solution
The fourth proportional to 4,911,277.75, 6,728,481.13 and 4,727,190.21 is: 6,476,280.06
Step by Step Solution
- Step 1: Write the proportion equation
4,911,277.75 : 6,728,481.13 = 4,727,190.21 : x - Step 2: Convert to fraction form
4,911,277.75/6,728,481.13 = 4,727,190.21/x - Step 3: Cross multiply
4,911,277.75x = 6,728,481.13 × 4,727,190.21 - Step 4: Simplify right side
4,911,277.75x = 31,806,810,132,754.34 - Step 5: Solve for x
x = 31,806,810,132,754.34/4,911,277.75 - Step 6: Final answer
x = 6,476,280.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.