Finding the Fourth Proportional to 1,638,394.66, 2,260,891.38 and 903,201.76
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Solution
The fourth proportional to 1,638,394.66, 2,260,891.38 and 903,201.76 is: 1,246,367.02
Step by Step Solution
- Step 1: Write the proportion equation
1,638,394.66 : 2,260,891.38 = 903,201.76 : x - Step 2: Convert to fraction form
1,638,394.66/2,260,891.38 = 903,201.76/x - Step 3: Cross multiply
1,638,394.66x = 2,260,891.38 × 903,201.76 - Step 4: Simplify right side
1,638,394.66x = 2,042,041,073,584.83 - Step 5: Solve for x
x = 2,042,041,073,584.83/1,638,394.66 - Step 6: Final answer
x = 1,246,367.02
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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.