Finding the Fourth Proportional to 1,985,280.96, 2,740,174.48 and 1,126,344
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Solution
The fourth proportional to 1,985,280.96, 2,740,174.48 and 1,126,344 is: 1,554,630.88
Step by Step Solution
- Step 1: Write the proportion equation
1,985,280.96 : 2,740,174.48 = 1,126,344 : x - Step 2: Convert to fraction form
1,985,280.96/2,740,174.48 = 1,126,344/x - Step 3: Cross multiply
1,985,280.96x = 2,740,174.48 × 1,126,344 - Step 4: Simplify right side
1,985,280.96x = 3,086,379,084,501.12 - Step 5: Solve for x
x = 3,086,379,084,501.12/1,985,280.96 - Step 6: Final answer
x = 1,554,630.88
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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.