Finding the Fourth Proportional to 3,273,686.18, 4,516,122.30 and 2,543,537.09
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Solution
The fourth proportional to 3,273,686.18, 4,516,122.30 and 2,543,537.09 is: 3,508,865.53
Step by Step Solution
- Step 1: Write the proportion equation
3,273,686.18 : 4,516,122.30 = 2,543,537.09 : x - Step 2: Convert to fraction form
3,273,686.18/4,516,122.30 = 2,543,537.09/x - Step 3: Cross multiply
3,273,686.18x = 4,516,122.30 × 2,543,537.09 - Step 4: Simplify right side
3,273,686.18x = 11,486,924,574,778.15 - Step 5: Solve for x
x = 11,486,924,574,778.15/3,273,686.18 - Step 6: Final answer
x = 3,508,865.53
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1.5x scale
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.