Finding the Fourth Proportional to 1,551,639.75, 2,141,229.28 and 898,293.47
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Solution
The fourth proportional to 1,551,639.75, 2,141,229.28 and 898,293.47 is: 1,239,625.55
Step by Step Solution
- Step 1: Write the proportion equation
1,551,639.75 : 2,141,229.28 = 898,293.47 : x - Step 2: Convert to fraction form
1,551,639.75/2,141,229.28 = 898,293.47/x - Step 3: Cross multiply
1,551,639.75x = 2,141,229.28 × 898,293.47 - Step 4: Simplify right side
1,551,639.75x = 1,923,452,269,290.66 - Step 5: Solve for x
x = 1,923,452,269,290.66/1,551,639.75 - Step 6: Final answer
x = 1,239,625.55
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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.