Finding the Fourth Proportional to 1,766,153.70, 2,649,625.50 and 644,222.70
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Solution
The fourth proportional to 1,766,153.70, 2,649,625.50 and 644,222.70 is: 966,478.11
Step by Step Solution
- Step 1: Write the proportion equation
1,766,153.70 : 2,649,625.50 = 644,222.70 : x - Step 2: Convert to fraction form
1,766,153.70/2,649,625.50 = 644,222.70/x - Step 3: Cross multiply
1,766,153.70x = 2,649,625.50 × 644,222.70 - Step 4: Simplify right side
1,766,153.70x = 1,706,948,893,598.85 - Step 5: Solve for x
x = 1,706,948,893,598.85/1,766,153.70 - Step 6: Final answer
x = 966,478.11
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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.