Finding the Fourth Proportional to 2,953,839.29, 4,430,365.20 and 823,745.03
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Solution
The fourth proportional to 2,953,839.29, 4,430,365.20 and 823,745.03 is: 1,235,507.74
Step by Step Solution
- Step 1: Write the proportion equation
2,953,839.29 : 4,430,365.20 = 823,745.03 : x - Step 2: Convert to fraction form
2,953,839.29/4,430,365.20 = 823,745.03/x - Step 3: Cross multiply
2,953,839.29x = 4,430,365.20 × 823,745.03 - Step 4: Simplify right side
2,953,839.29x = 3,649,491,292,433.13 - Step 5: Solve for x
x = 3,649,491,292,433.13/2,953,839.29 - Step 6: Final answer
x = 1,235,507.74
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1.5x scale
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.