Finding the Fourth Proportional to 3,280,433.80, 4,920,650.70 and 2,440,625.80
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Solution
The fourth proportional to 3,280,433.80, 4,920,650.70 and 2,440,625.80 is: 3,660,938.70
Step by Step Solution
- Step 1: Write the proportion equation
3,280,433.80 : 4,920,650.70 = 2,440,625.80 : x - Step 2: Convert to fraction form
3,280,433.80/4,920,650.70 = 2,440,625.80/x - Step 3: Cross multiply
3,280,433.80x = 4,920,650.70 × 2,440,625.80 - Step 4: Simplify right side
3,280,433.80x = 12,009,467,051,208.06 - Step 5: Solve for x
x = 12,009,467,051,208.06/3,280,433.80 - Step 6: Final answer
x = 3,660,938.70
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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.