Finding the Fourth Proportional to 1,806,815.52, 2,493,408.97 and 991,025.84
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Solution
The fourth proportional to 1,806,815.52, 2,493,408.97 and 991,025.84 is: 1,367,617.61
Step by Step Solution
- Step 1: Write the proportion equation
1,806,815.52 : 2,493,408.97 = 991,025.84 : x - Step 2: Convert to fraction form
1,806,815.52/2,493,408.97 = 991,025.84/x - Step 3: Cross multiply
1,806,815.52x = 2,493,408.97 × 991,025.84 - Step 4: Simplify right side
1,806,815.52x = 2,471,032,718,957.79 - Step 5: Solve for x
x = 2,471,032,718,957.79/1,806,815.52 - Step 6: Final answer
x = 1,367,617.61
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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.