Finding the Fourth Proportional to 3,135,435.42, 4,702,649.37 and 860,428.38
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Solution
The fourth proportional to 3,135,435.42, 4,702,649.37 and 860,428.38 is: 1,290,504.33
Step by Step Solution
- Step 1: Write the proportion equation
3,135,435.42 : 4,702,649.37 = 860,428.38 : x - Step 2: Convert to fraction form
3,135,435.42/4,702,649.37 = 860,428.38/x - Step 3: Cross multiply
3,135,435.42x = 4,702,649.37 × 860,428.38 - Step 4: Simplify right side
3,135,435.42x = 4,046,292,979,137.12 - Step 5: Solve for x
x = 4,046,292,979,137.12/3,135,435.42 - Step 6: Final answer
x = 1,290,504.33
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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.