Finding the Fourth Proportional to 1,517,511.08, 2,094,207.54 and 838,491.32
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Solution
The fourth proportional to 1,517,511.08, 2,094,207.54 and 838,491.32 is: 1,157,141.37
Step by Step Solution
- Step 1: Write the proportion equation
1,517,511.08 : 2,094,207.54 = 838,491.32 : x - Step 2: Convert to fraction form
1,517,511.08/2,094,207.54 = 838,491.32/x - Step 3: Cross multiply
1,517,511.08x = 2,094,207.54 × 838,491.32 - Step 4: Simplify right side
1,517,511.08x = 1,755,974,844,568.55 - Step 5: Solve for x
x = 1,755,974,844,568.55/1,517,511.08 - Step 6: Final answer
x = 1,157,141.37
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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.