Finding the Fourth Proportional to 1,511,236, 2,085,505.68 and 832,170.88
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Solution
The fourth proportional to 1,511,236, 2,085,505.68 and 832,170.88 is: 1,148,395.81
Step by Step Solution
- Step 1: Write the proportion equation
1,511,236 : 2,085,505.68 = 832,170.88 : x - Step 2: Convert to fraction form
1,511,236/2,085,505.68 = 832,170.88/x - Step 3: Cross multiply
1,511,236x = 2,085,505.68 × 832,170.88 - Step 4: Simplify right side
1,511,236x = 1,735,497,096,970.60 - Step 5: Solve for x
x = 1,735,497,096,970.60/1,511,236 - Step 6: Final answer
x = 1,148,395.81
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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.