Finding the Fourth Proportional to 2,573,272.57, 3,551,542.05 and 1,427,721.97
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Solution
The fourth proportional to 2,573,272.57, 3,551,542.05 and 1,427,721.97 is: 1,970,492.62
Step by Step Solution
- Step 1: Write the proportion equation
2,573,272.57 : 3,551,542.05 = 1,427,721.97 : x - Step 2: Convert to fraction form
2,573,272.57/3,551,542.05 = 1,427,721.97/x - Step 3: Cross multiply
2,573,272.57x = 3,551,542.05 × 1,427,721.97 - Step 4: Simplify right side
2,573,272.57x = 5,070,614,612,163.84 - Step 5: Solve for x
x = 5,070,614,612,163.84/2,573,272.57 - Step 6: Final answer
x = 1,970,492.62
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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.