Finding the Fourth Proportional to 3,447,616.68, 4,757,613.42 and 1,877,712.84
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Solution
The fourth proportional to 3,447,616.68, 4,757,613.42 and 1,877,712.84 is: 2,591,190.56
Step by Step Solution
- Step 1: Write the proportion equation
3,447,616.68 : 4,757,613.42 = 1,877,712.84 : x - Step 2: Convert to fraction form
3,447,616.68/4,757,613.42 = 1,877,712.84/x - Step 3: Cross multiply
3,447,616.68x = 4,757,613.42 × 1,877,712.84 - Step 4: Simplify right side
3,447,616.68x = 8,933,431,806,490.31 - Step 5: Solve for x
x = 8,933,431,806,490.31/3,447,616.68 - Step 6: Final answer
x = 2,591,190.56
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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.