Finding the Fourth Proportional to 1,806,568.68, 2,486,807.28 and 1,561,441.62
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Solution
The fourth proportional to 1,806,568.68, 2,486,807.28 and 1,561,441.62 is: 2,149,381.00
Step by Step Solution
- Step 1: Write the proportion equation
1,806,568.68 : 2,486,807.28 = 1,561,441.62 : x - Step 2: Convert to fraction form
1,806,568.68/2,486,807.28 = 1,561,441.62/x - Step 3: Cross multiply
1,806,568.68x = 2,486,807.28 × 1,561,441.62 - Step 4: Simplify right side
1,806,568.68x = 3,883,004,387,910.99 - Step 5: Solve for x
x = 3,883,004,387,910.99/1,806,568.68 - Step 6: Final answer
x = 2,149,381.00
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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.