Finding the Fourth Proportional to 2,675,672.92, 3,692,431.16 and 1,529,777.28
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Solution
The fourth proportional to 2,675,672.92, 3,692,431.16 and 1,529,777.28 is: 2,111,094.09
Step by Step Solution
- Step 1: Write the proportion equation
2,675,672.92 : 3,692,431.16 = 1,529,777.28 : x - Step 2: Convert to fraction form
2,675,672.92/3,692,431.16 = 1,529,777.28/x - Step 3: Cross multiply
2,675,672.92x = 3,692,431.16 × 1,529,777.28 - Step 4: Simplify right side
2,675,672.92x = 5,648,597,296,532.05 - Step 5: Solve for x
x = 5,648,597,296,532.05/2,675,672.92 - Step 6: Final answer
x = 2,111,094.09
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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.