Finding the Fourth Proportional to 3,921,747.68, 5,411,172.30 and 2,289,414.26
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Solution
The fourth proportional to 3,921,747.68, 5,411,172.30 and 2,289,414.26 is: 3,158,901.60
Step by Step Solution
- Step 1: Write the proportion equation
3,921,747.68 : 5,411,172.30 = 2,289,414.26 : x - Step 2: Convert to fraction form
3,921,747.68/5,411,172.30 = 2,289,414.26/x - Step 3: Cross multiply
3,921,747.68x = 5,411,172.30 × 2,289,414.26 - Step 4: Simplify right side
3,921,747.68x = 12,388,415,026,937.00 - Step 5: Solve for x
x = 12,388,415,026,937.00/3,921,747.68 - Step 6: Final answer
x = 3,158,901.60
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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.