Finding the Fourth Proportional to 1,362,102.38, 1,879,701.28 and 789,474.70
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Solution
The fourth proportional to 1,362,102.38, 1,879,701.28 and 789,474.70 is: 1,089,475.08
Step by Step Solution
- Step 1: Write the proportion equation
1,362,102.38 : 1,879,701.28 = 789,474.70 : x - Step 2: Convert to fraction form
1,362,102.38/1,879,701.28 = 789,474.70/x - Step 3: Cross multiply
1,362,102.38x = 1,879,701.28 × 789,474.70 - Step 4: Simplify right side
1,362,102.38x = 1,483,976,597,444.68 - Step 5: Solve for x
x = 1,483,976,597,444.68/1,362,102.38 - Step 6: Final answer
x = 1,089,475.08
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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.