Finding the Fourth Proportional to 3,256,997.58, 4,495,195.70 and 1,807,160.10
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Solution
The fourth proportional to 3,256,997.58, 4,495,195.70 and 1,807,160.10 is: 2,494,180.03
Step by Step Solution
- Step 1: Write the proportion equation
3,256,997.58 : 4,495,195.70 = 1,807,160.10 : x - Step 2: Convert to fraction form
3,256,997.58/4,495,195.70 = 1,807,160.10/x - Step 3: Cross multiply
3,256,997.58x = 4,495,195.70 × 1,807,160.10 - Step 4: Simplify right side
3,256,997.58x = 8,123,538,310,731.57 - Step 5: Solve for x
x = 8,123,538,310,731.57/3,256,997.58 - Step 6: Final answer
x = 2,494,180.03
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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.