Finding the Fourth Proportional to 1,624,289.60, 2,431,768.80 and 994,433.60
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Solution
The fourth proportional to 1,624,289.60, 2,431,768.80 and 994,433.60 is: 1,488,793.99
Step by Step Solution
- Step 1: Write the proportion equation
1,624,289.60 : 2,431,768.80 = 994,433.60 : x - Step 2: Convert to fraction form
1,624,289.60/2,431,768.80 = 994,433.60/x - Step 3: Cross multiply
1,624,289.60x = 2,431,768.80 × 994,433.60 - Step 4: Simplify right side
1,624,289.60x = 2,418,232,602,151.68 - Step 5: Solve for x
x = 2,418,232,602,151.68/1,624,289.60 - Step 6: Final answer
x = 1,488,793.99
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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.