Finding the Fourth Proportional to 1,647,444.23, 2,472,913.21 and 1,459,127.13
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Solution
The fourth proportional to 1,647,444.23, 2,472,913.21 and 1,459,127.13 is: 2,190,237.88
Step by Step Solution
- Step 1: Write the proportion equation
1,647,444.23 : 2,472,913.21 = 1,459,127.13 : x - Step 2: Convert to fraction form
1,647,444.23/2,472,913.21 = 1,459,127.13/x - Step 3: Cross multiply
1,647,444.23x = 2,472,913.21 × 1,459,127.13 - Step 4: Simplify right side
1,647,444.23x = 3,608,294,754,846.39 - Step 5: Solve for x
x = 3,608,294,754,846.39/1,647,444.23 - Step 6: Final answer
x = 2,190,237.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.