Finding the Fourth Proportional to 1,805,733.07, 2,491,895.73 and 989,921.93
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Solution
The fourth proportional to 1,805,733.07, 2,491,895.73 and 989,921.93 is: 1,366,083.55
Step by Step Solution
- Step 1: Write the proportion equation
1,805,733.07 : 2,491,895.73 = 989,921.93 : x - Step 2: Convert to fraction form
1,805,733.07/2,491,895.73 = 989,921.93/x - Step 3: Cross multiply
1,805,733.07x = 2,491,895.73 × 989,921.93 - Step 4: Simplify right side
1,805,733.07x = 2,466,782,230,400.36 - Step 5: Solve for x
x = 2,466,782,230,400.36/1,805,733.07 - Step 6: Final answer
x = 1,366,083.55
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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.