Finding the Fourth Proportional to 4,727,049.49, 6,523,239.71 and 2,891,372.94
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Solution
The fourth proportional to 4,727,049.49, 6,523,239.71 and 2,891,372.94 is: 3,990,040.47
Step by Step Solution
- Step 1: Write the proportion equation
4,727,049.49 : 6,523,239.71 = 2,891,372.94 : x - Step 2: Convert to fraction form
4,727,049.49/6,523,239.71 = 2,891,372.94/x - Step 3: Cross multiply
4,727,049.49x = 6,523,239.71 × 2,891,372.94 - Step 4: Simplify right side
4,727,049.49x = 18,861,118,778,627.45 - Step 5: Solve for x
x = 18,861,118,778,627.45/4,727,049.49 - Step 6: Final answer
x = 3,990,040.47
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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.