Finding the Fourth Proportional to 1,813,921.32, 2,503,136.24 and 986,998.26
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Solution
The fourth proportional to 1,813,921.32, 2,503,136.24 and 986,998.26 is: 1,362,016.69
Step by Step Solution
- Step 1: Write the proportion equation
1,813,921.32 : 2,503,136.24 = 986,998.26 : x - Step 2: Convert to fraction form
1,813,921.32/2,503,136.24 = 986,998.26/x - Step 3: Cross multiply
1,813,921.32x = 2,503,136.24 × 986,998.26 - Step 4: Simplify right side
1,813,921.32x = 2,470,591,113,422.94 - Step 5: Solve for x
x = 2,470,591,113,422.94/1,813,921.32 - Step 6: Final answer
x = 1,362,016.69
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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.