Finding the Fourth Proportional to 2,749,912.68, 3,794,822.42 and 1,526,147.13
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Solution
The fourth proportional to 2,749,912.68, 3,794,822.42 and 1,526,147.13 is: 2,106,051.36
Step by Step Solution
- Step 1: Write the proportion equation
2,749,912.68 : 3,794,822.42 = 1,526,147.13 : x - Step 2: Convert to fraction form
2,749,912.68/3,794,822.42 = 1,526,147.13/x - Step 3: Cross multiply
2,749,912.68x = 3,794,822.42 × 1,526,147.13 - Step 4: Simplify right side
2,749,912.68x = 5,791,457,337,511.92 - Step 5: Solve for x
x = 5,791,457,337,511.92/2,749,912.68 - Step 6: Final answer
x = 2,106,051.36
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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.