Finding the Fourth Proportional to 2,806,417.09, 3,872,855.90 and 1,517,257.14
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Solution
The fourth proportional to 2,806,417.09, 3,872,855.90 and 1,517,257.14 is: 2,093,815.02
Step by Step Solution
- Step 1: Write the proportion equation
2,806,417.09 : 3,872,855.90 = 1,517,257.14 : x - Step 2: Convert to fraction form
2,806,417.09/3,872,855.90 = 1,517,257.14/x - Step 3: Cross multiply
2,806,417.09x = 3,872,855.90 × 1,517,257.14 - Step 4: Simplify right side
2,806,417.09x = 5,876,118,247,101.85 - Step 5: Solve for x
x = 5,876,118,247,101.85/2,806,417.09 - Step 6: Final answer
x = 2,093,815.02
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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.