Finding the Fourth Proportional to 4,727,344.18, 7,085,637.28 and 2,876,774.55
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Solution
The fourth proportional to 4,727,344.18, 7,085,637.28 and 2,876,774.55 is: 4,311,888.50
Step by Step Solution
- Step 1: Write the proportion equation
4,727,344.18 : 7,085,637.28 = 2,876,774.55 : x - Step 2: Convert to fraction form
4,727,344.18/7,085,637.28 = 2,876,774.55/x - Step 3: Cross multiply
4,727,344.18x = 7,085,637.28 × 2,876,774.55 - Step 4: Simplify right side
4,727,344.18x = 20,383,780,997,635.22 - Step 5: Solve for x
x = 20,383,780,997,635.22/4,727,344.18 - Step 6: Final answer
x = 4,311,888.50
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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.