Finding the Fourth Proportional to 1,611,566.75, 2,224,278.02 and 923,699.70
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Solution
The fourth proportional to 1,611,566.75, 2,224,278.02 and 923,699.70 is: 1,274,886.65
Step by Step Solution
- Step 1: Write the proportion equation
1,611,566.75 : 2,224,278.02 = 923,699.70 : x - Step 2: Convert to fraction form
1,611,566.75/2,224,278.02 = 923,699.70/x - Step 3: Cross multiply
1,611,566.75x = 2,224,278.02 × 923,699.70 - Step 4: Simplify right side
1,611,566.75x = 2,054,564,942,099.84 - Step 5: Solve for x
x = 2,054,564,942,099.84/1,611,566.75 - Step 6: Final answer
x = 1,274,886.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.