Finding the Fourth Proportional to 1,899,771.36, 2,850,287.60 and 620,420.56
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Solution
The fourth proportional to 1,899,771.36, 2,850,287.60 and 620,420.56 is: 930,836.77
Step by Step Solution
- Step 1: Write the proportion equation
1,899,771.36 : 2,850,287.60 = 620,420.56 : x - Step 2: Convert to fraction form
1,899,771.36/2,850,287.60 = 620,420.56/x - Step 3: Cross multiply
1,899,771.36x = 2,850,287.60 × 620,420.56 - Step 4: Simplify right side
1,899,771.36x = 1,768,377,028,953.06 - Step 5: Solve for x
x = 1,768,377,028,953.06/1,899,771.36 - Step 6: Final answer
x = 930,836.77
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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.