Finding the Fourth Proportional to 3,135,434.67, 4,702,648.25 and 860,427.63
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Solution
The fourth proportional to 3,135,434.67, 4,702,648.25 and 860,427.63 is: 1,290,503.20
Step by Step Solution
- Step 1: Write the proportion equation
3,135,434.67 : 4,702,648.25 = 860,427.63 : x - Step 2: Convert to fraction form
3,135,434.67/4,702,648.25 = 860,427.63/x - Step 3: Cross multiply
3,135,434.67x = 4,702,648.25 × 860,427.63 - Step 4: Simplify right side
3,135,434.67x = 4,046,288,484,169.01 - Step 5: Solve for x
x = 4,046,288,484,169.01/3,135,434.67 - Step 6: Final answer
x = 1,290,503.20
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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.