Finding the Fourth Proportional to 1,585,380.53, 2,378,072.43 and 743,933.09
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Solution
The fourth proportional to 1,585,380.53, 2,378,072.43 and 743,933.09 is: 1,115,900.40
Step by Step Solution
- Step 1: Write the proportion equation
1,585,380.53 : 2,378,072.43 = 743,933.09 : x - Step 2: Convert to fraction form
1,585,380.53/2,378,072.43 = 743,933.09/x - Step 3: Cross multiply
1,585,380.53x = 2,378,072.43 × 743,933.09 - Step 4: Simplify right side
1,585,380.53x = 1,769,126,759,203.35 - Step 5: Solve for x
x = 1,769,126,759,203.35/1,585,380.53 - Step 6: Final answer
x = 1,115,900.40
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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.