Finding the Fourth Proportional to 3,438,554.70, 5,157,832.05 and 1,844,231.70
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Solution
The fourth proportional to 3,438,554.70, 5,157,832.05 and 1,844,231.70 is: 2,766,347.55
Step by Step Solution
- Step 1: Write the proportion equation
3,438,554.70 : 5,157,832.05 = 1,844,231.70 : x - Step 2: Convert to fraction form
3,438,554.70/5,157,832.05 = 1,844,231.70/x - Step 3: Cross multiply
3,438,554.70x = 5,157,832.05 × 1,844,231.70 - Step 4: Simplify right side
3,438,554.70x = 9,512,237,369,885.99 - Step 5: Solve for x
x = 9,512,237,369,885.99/3,438,554.70 - Step 6: Final answer
x = 2,766,347.55
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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.