Finding the Fourth Proportional to 1,347,015.47, 2,019,450.35 and 777,750.84
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Solution
The fourth proportional to 1,347,015.47, 2,019,450.35 and 777,750.84 is: 1,166,006.80
Step by Step Solution
- Step 1: Write the proportion equation
1,347,015.47 : 2,019,450.35 = 777,750.84 : x - Step 2: Convert to fraction form
1,347,015.47/2,019,450.35 = 777,750.84/x - Step 3: Cross multiply
1,347,015.47x = 2,019,450.35 × 777,750.84 - Step 4: Simplify right side
1,347,015.47x = 1,570,629,199,034.29 - Step 5: Solve for x
x = 1,570,629,199,034.29/1,347,015.47 - Step 6: Final answer
x = 1,166,006.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.