Finding the Fourth Proportional to 3,135,434.17, 4,702,647.50 and 860,427.13
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Solution
The fourth proportional to 3,135,434.17, 4,702,647.50 and 860,427.13 is: 1,290,502.45
Step by Step Solution
- Step 1: Write the proportion equation
3,135,434.17 : 4,702,647.50 = 860,427.13 : x - Step 2: Convert to fraction form
3,135,434.17/4,702,647.50 = 860,427.13/x - Step 3: Cross multiply
3,135,434.17x = 4,702,647.50 × 860,427.13 - Step 4: Simplify right side
3,135,434.17x = 4,046,285,487,524.54 - Step 5: Solve for x
x = 4,046,285,487,524.54/3,135,434.17 - Step 6: Final answer
x = 1,290,502.45
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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.