Finding the Fourth Proportional to 1,612,951.79, 2,419,777.60 and 490,991.63
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Solution
The fourth proportional to 1,612,951.79, 2,419,777.60 and 490,991.63 is: 736,593.96
Step by Step Solution
- Step 1: Write the proportion equation
1,612,951.79 : 2,419,777.60 = 490,991.63 : x - Step 2: Convert to fraction form
1,612,951.79/2,419,777.60 = 490,991.63/x - Step 3: Cross multiply
1,612,951.79x = 2,419,777.60 × 490,991.63 - Step 4: Simplify right side
1,612,951.79x = 1,188,090,534,735.12 - Step 5: Solve for x
x = 1,188,090,534,735.12/1,612,951.79 - Step 6: Final answer
x = 736,593.96
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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.