Finding the Fourth Proportional to 5,174,028.68, 7,755,157.76 and 3,147,806.12
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Solution
The fourth proportional to 5,174,028.68, 7,755,157.76 and 3,147,806.12 is: 4,718,128.66
Step by Step Solution
- Step 1: Write the proportion equation
5,174,028.68 : 7,755,157.76 = 3,147,806.12 : x - Step 2: Convert to fraction form
5,174,028.68/7,755,157.76 = 3,147,806.12/x - Step 3: Cross multiply
5,174,028.68x = 7,755,157.76 × 3,147,806.12 - Step 4: Simplify right side
5,174,028.68x = 24,411,733,003,978.67 - Step 5: Solve for x
x = 24,411,733,003,978.67/5,174,028.68 - Step 6: Final answer
x = 4,718,128.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.