Finding the Fourth Proportional to 3,236,886.75, 4,466,903.72 and 1,806,102.75
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Solution
The fourth proportional to 3,236,886.75, 4,466,903.72 and 1,806,102.75 is: 2,492,421.80
Step by Step Solution
- Step 1: Write the proportion equation
3,236,886.75 : 4,466,903.72 = 1,806,102.75 : x - Step 2: Convert to fraction form
3,236,886.75/4,466,903.72 = 1,806,102.75/x - Step 3: Cross multiply
3,236,886.75x = 4,466,903.72 × 1,806,102.75 - Step 4: Simplify right side
3,236,886.75x = 8,067,687,083,646.72 - Step 5: Solve for x
x = 8,067,687,083,646.72/3,236,886.75 - Step 6: Final answer
x = 2,492,421.80
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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.