Finding the Fourth Proportional to 1,578,361.68, 2,177,606.16 and 898,817.04
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Solution
The fourth proportional to 1,578,361.68, 2,177,606.16 and 898,817.04 is: 1,240,064.02
Step by Step Solution
- Step 1: Write the proportion equation
1,578,361.68 : 2,177,606.16 = 898,817.04 : x - Step 2: Convert to fraction form
1,578,361.68/2,177,606.16 = 898,817.04/x - Step 3: Cross multiply
1,578,361.68x = 2,177,606.16 × 898,817.04 - Step 4: Simplify right side
1,578,361.68x = 1,957,269,523,016.97 - Step 5: Solve for x
x = 1,957,269,523,016.97/1,578,361.68 - Step 6: Final answer
x = 1,240,064.02
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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.