Finding the Fourth Proportional to 3,135,388.40, 4,702,579.19 and 860,381.51
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Solution
The fourth proportional to 3,135,388.40, 4,702,579.19 and 860,381.51 is: 1,290,434.12
Step by Step Solution
- Step 1: Write the proportion equation
3,135,388.40 : 4,702,579.19 = 860,381.51 : x - Step 2: Convert to fraction form
3,135,388.40/4,702,579.19 = 860,381.51/x - Step 3: Cross multiply
3,135,388.40x = 4,702,579.19 × 860,381.51 - Step 4: Simplify right side
3,135,388.40x = 4,046,012,156,571.97 - Step 5: Solve for x
x = 4,046,012,156,571.97/3,135,388.40 - Step 6: Final answer
x = 1,290,434.12
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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.