Finding the Fourth Proportional to 3,755,457.68, 5,182,440.36 and 2,145,722
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Solution
The fourth proportional to 3,755,457.68, 5,182,440.36 and 2,145,722 is: 2,961,044.23
Step by Step Solution
- Step 1: Write the proportion equation
3,755,457.68 : 5,182,440.36 = 2,145,722 : x - Step 2: Convert to fraction form
3,755,457.68/5,182,440.36 = 2,145,722/x - Step 3: Cross multiply
3,755,457.68x = 5,182,440.36 × 2,145,722 - Step 4: Simplify right side
3,755,457.68x = 11,120,076,294,139.92 - Step 5: Solve for x
x = 11,120,076,294,139.92/3,755,457.68 - Step 6: Final answer
x = 2,961,044.23
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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.