Finding the Fourth Proportional to 2,091,205.08, 3,122,642.61 and 1,659,901.95
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Solution
The fourth proportional to 2,091,205.08, 3,122,642.61 and 1,659,901.95 is: 2,478,609.39
Step by Step Solution
- Step 1: Write the proportion equation
2,091,205.08 : 3,122,642.61 = 1,659,901.95 : x - Step 2: Convert to fraction form
2,091,205.08/3,122,642.61 = 1,659,901.95/x - Step 3: Cross multiply
2,091,205.08x = 3,122,642.61 × 1,659,901.95 - Step 4: Simplify right side
2,091,205.08x = 5,183,280,557,492.09 - Step 5: Solve for x
x = 5,183,280,557,492.09/2,091,205.08 - Step 6: Final answer
x = 2,478,609.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.