Finding the Fourth Proportional to 1,762,687.37, 2,431,613.07 and 1,151,197.91
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Solution
The fourth proportional to 1,762,687.37, 2,431,613.07 and 1,151,197.91 is: 1,588,068.27
Step by Step Solution
- Step 1: Write the proportion equation
1,762,687.37 : 2,431,613.07 = 1,151,197.91 : x - Step 2: Convert to fraction form
1,762,687.37/2,431,613.07 = 1,151,197.91/x - Step 3: Cross multiply
1,762,687.37x = 2,431,613.07 × 1,151,197.91 - Step 4: Simplify right side
1,762,687.37x = 2,799,267,871,954.62 - Step 5: Solve for x
x = 2,799,267,871,954.62/1,762,687.37 - Step 6: Final answer
x = 1,588,068.27
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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.