Finding the Fourth Proportional to 1,618,231.60, 2,428,027.80 and 869,402.80
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Solution
The fourth proportional to 1,618,231.60, 2,428,027.80 and 869,402.80 is: 1,304,469.75
Step by Step Solution
- Step 1: Write the proportion equation
1,618,231.60 : 2,428,027.80 = 869,402.80 : x - Step 2: Convert to fraction form
1,618,231.60/2,428,027.80 = 869,402.80/x - Step 3: Cross multiply
1,618,231.60x = 2,428,027.80 × 869,402.80 - Step 4: Simplify right side
1,618,231.60x = 2,110,934,167,797.84 - Step 5: Solve for x
x = 2,110,934,167,797.84/1,618,231.60 - Step 6: Final answer
x = 1,304,469.75
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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.