Finding the Fourth Proportional to 1,926,361.92, 2,658,157.38 and 1,110,559.08
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Solution
The fourth proportional to 1,926,361.92, 2,658,157.38 and 1,110,559.08 is: 1,532,443.51
Step by Step Solution
- Step 1: Write the proportion equation
1,926,361.92 : 2,658,157.38 = 1,110,559.08 : x - Step 2: Convert to fraction form
1,926,361.92/2,658,157.38 = 1,110,559.08/x - Step 3: Cross multiply
1,926,361.92x = 2,658,157.38 × 1,110,559.08 - Step 4: Simplify right side
1,926,361.92x = 2,952,040,814,428.01 - Step 5: Solve for x
x = 2,952,040,814,428.01/1,926,361.92 - Step 6: Final answer
x = 1,532,443.51
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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.