Finding the Fourth Proportional to 4,343,453.40, 6,517,512.90 and 1,819,363.80
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Solution
The fourth proportional to 4,343,453.40, 6,517,512.90 and 1,819,363.80 is: 2,730,022.85
Step by Step Solution
- Step 1: Write the proportion equation
4,343,453.40 : 6,517,512.90 = 1,819,363.80 : x - Step 2: Convert to fraction form
4,343,453.40/6,517,512.90 = 1,819,363.80/x - Step 3: Cross multiply
4,343,453.40x = 6,517,512.90 × 1,819,363.80 - Step 4: Simplify right side
4,343,453.40x = 11,857,727,036,293.02 - Step 5: Solve for x
x = 11,857,727,036,293.02/4,343,453.40 - Step 6: Final answer
x = 2,730,022.85
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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.